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John Overdeck

John Overdeck (born 1969) is an American mathematician, hedge fund manager, and philanthropist who co-founded the data-driven investment firm Two Sigma Investments in 2001 alongside David Siegel, serving as its co-chairman and chief investment officer. A math prodigy who earned a silver medal at the International Mathematical Olympiad as a high school student, Overdeck graduated from Stanford University with a B.S. in mathematics (with distinction) and an M.S. in statistics. Before launching Two Sigma, he held positions as a managing director at D.E. Shaw & Co. and as a vice president at Amazon.com. Under his leadership, Two Sigma grew into a quantitative powerhouse managing about $60 billion in assets, leveraging advanced algorithms and data analysis for investment decisions. Overdeck's net worth is estimated at $8 billion, making him one of New Jersey's wealthiest residents, where he lives in Millburn. He co-founded the Overdeck Family Foundation in 2011, which has distributed over $500 million to programs, including and initiatives. In philanthropy and academia, he chairs the board of trustees at the Institute for Advanced Study in Princeton. Overdeck and transitioned from co-CEO roles at in 2024 amid long-simmering internal tensions but retained significant influence, with Overdeck rejoining the management committee in 2025; he is currently separated following a contentious divorce involving asset disputes.

Early Life and Education

Childhood and Mathematical Prodigy

John Albert Overdeck was born on December 21, 1969. He grew up in , where his father, Dr. John M. Overdeck, worked as a senior for the , fostering an environment steeped in mathematical rigor. From a young age, Overdeck displayed a profound affinity for numbers, engaging with statistics, data, and calculations that captivated him beyond typical childhood interests. At age four, his parents gifted him a calculator, which further nurtured his quantitative curiosity. Overdeck attended in , where he honed his exceptional mathematical talents through rigorous academic pursuits. His prodigious abilities propelled him into national competitions, including the United States of America Mathematical Olympiad (USAMO), where he achieved winner status in 1985. This success qualified him for the (IMO) team. In , at age 16, Overdeck represented the at the 27th in , , earning a with a score of 32 points across six problems, placing 30th out of 210 participants. His performance included perfect scores on three problems, underscoring his advanced problem-solving prowess in areas like , , and . This international recognition marked the pinnacle of his early competitive achievements and highlighted his innate aptitude for abstract mathematical reasoning.

Academic Milestones and Olympiad Success

Overdeck attended in , where he demonstrated exceptional aptitude in mathematics through competitive achievements. In 1986, he won the United States of America Mathematical Olympiad (USAMO), securing selection for the U.S. team at the . At age 16, Overdeck represented the at the 27th held in , , from July 10 to 20, 1986, earning a with scores of 7, 7, 1, 7, 6, and 4 across the six problems, totaling 32 out of 42 points. The U.S. team tied for first place with the in the competition, which involved 210 participants from around the world. His performance highlighted proficiency in advanced problem-solving under time constraints, requiring decomposition of complex problems into verifiable logical steps. Preparation for the IMO involved an intensive one-month training camp, a process Overdeck had undertaken in two prior years without qualifying for the team, underscoring the persistence and incremental refinement central to his approach. These experiences cultivated a oriented toward and empirical testing of hypotheses, directly informing the deductive rigor that carried forward into formal academic training.

University Education and Early Influences

Overdeck completed a Bachelor of Science degree in mathematics with distinction at Stanford University, where he developed a rigorous foundation in analytical reasoning and problem-solving. He subsequently earned a Master of Science in statistics from Stanford, focusing on probabilistic models and statistical inference that emphasized empirical data analysis over theoretical abstraction. This curriculum exposed him to computational techniques for handling large datasets, aligning with emerging applications in scientific computing during the early 1990s. After Stanford, Overdeck enrolled in doctoral studies in at , pursuing advanced topics in and statistical physics. However, he discontinued these pursuits without obtaining a Ph.D., redirecting his expertise toward practical applications in rather than pure theoretical research. The interdisciplinary environment at Columbia reinforced his appreciation for causal mechanisms underlying complex systems, bridging physics' emphasis on deterministic laws with probabilistic uncertainties encountered in economic data. These academic experiences cultivated Overdeck's preference for data-driven methodologies, prioritizing verifiable patterns over speculative narratives in processes. His Stanford in particularly honed skills in hypothesis testing and , which he later adapted to quantify market inefficiencies through algorithmic frameworks. This shift from physics to reflected a pragmatic recognition that real-world financial systems demanded iterative empirical validation over idealized models.

Professional Career

Early Roles in Quantitative Finance

Overdeck commenced his professional career in quantitative finance at D.E. Shaw & Co. shortly after departing Stanford University's graduate program in statistics, where he had been engaged in advanced mathematical work. At the firm, renowned for its pioneering use of computational models in trading, he progressed to the role of managing director. In this capacity, he directed D.E. Shaw's Japanese equity and equity-linked investment strategies and supervised its derivatives trading operations, applying statistical and mathematical frameworks to analyze and construct trading algorithms. Throughout the 1990s, Overdeck's work at D.E. Shaw emphasized empirical data-driven approaches to and quantitative modeling, leveraging large datasets to identify patterns in and markets. These experiences built directly on his academic foundation in and statistics, honing skills in algorithmic strategy development amid the era's evolving landscape. He departed the firm in 1999.

Founding and Expansion of Two Sigma Investments

Two Sigma Investments was co-founded in 2001 by John Overdeck, , and Mark Pickard in . The firm began operations with an emphasis on data-driven approaches, utilizing computational methods and technology to inform investment processes from inception. The company expanded steadily through the 2000s, building out its technological infrastructure to handle vast datasets and automate analytical workflows, which supported scalable growth in client capital. By the early 2010s, had attracted significant institutional investments, closing its primary strategy to new external capital around 2010 due to capacity constraints amid rising performance. Further milestones in the included the launch of diversified funds, such as a $3.3 billion macro raised in , enabling broader market exposure and operational scaling. This period marked the firm's maturation into a major player, with surpassing $60 billion by the late through consistent capital inflows and internal capacity enhancements.

Quantitative Strategies and Empirical Approach

Two Sigma's quantitative strategies, shaped by John Overdeck's mathematical expertise and emphasis on systematic rigor, prioritize algorithms and vast datasets to develop predictive models that identify persistent market signals, eschewing reliance on human discretionary judgment. The firm processes over 380 petabytes of data daily, employing and advanced statistical techniques to enrich information, construct models, and optimize portfolios for alpha generation across . This approach integrates to simulate trading scenarios—running upwards of 110,000 daily simulations—enabling the detection of subtle, non-obvious patterns that traditional might overlook. Central to Overdeck-influenced is an empirical grounded in the , where about market behaviors are formulated as falsifiable propositions and subjected to rigorous testing. Researchers at conduct controlled experiments and randomized trials to isolate causal relationships, distinguishing from causation in predictive signals, such as through strategies against historical data to assess their viability under varied conditions. follows, dissecting returns to attribute outcomes to specific factors or models, thereby refining algorithms iteratively and avoiding by validating generalizations beyond training datasets. This process ensures strategies are not propped up by anecdotal success but by reproducible evidence, with ongoing testing examining "what would have happened to a strategy historically through back tests." In contrast to conventional funds dependent on qualitative insights or macroeconomic , Two Sigma's methods under Overdeck's demand empirical substantiation for every edge, leveraging for regime modeling—such as Gaussian Mixture Models to classify market states—and prioritizing scalable, data-validated signals over speculative narratives. This causal realism manifests in efforts to "find the between the and " via experimentation, fostering strategies resilient to regime shifts and less prone to the biases inherent in discretionary trading. The firm's avoidance of hype is evident in its focus on small, consistent edges compounded through high-frequency execution, validated through real-world implementation rather than untested theory.

Leadership Dynamics and Co-Founder Feud

Disagreements between co-founders John Overdeck and escalated in the 2020s, culminating in the firm publicly acknowledging the rift as a material governance risk. In a March 31, 2023, regulatory filing, disclosed that ongoing conflicts between its top executives—Overdeck and —posed potential threats to clients and operations, an unusual step for a managing over $60 billion in assets. The core disputes centered on the firm's strategic direction, , and , with Overdeck and holding divergent visions for Two Sigma's future. These clashes, described by insiders as longstanding but intensifying, reflected differing approaches to and roles at the quantitative manager founded in 2001. A reported underscoring personal animosity involved a 2015 Forbes profile likening Overdeck to a "" and Siegel to a "manager," after which Overdeck wore a chef's during a meeting with Siegel, reportedly enraging the latter for days. While this incident predates the 2020s escalation, it highlighted ego-driven tensions that sources say contributed to broader breakdowns in collaboration. In response to the , Overdeck and stepped down as co-chief executive officers on August 28, 2024, transitioning day-to-day management to Scott Hoffman and Carter Lyons while retaining co-chair positions; the firm framed this as enabling focus on long-term . By January 9, 2025, the co-founders proceeded to private arbitration over their unresolved differences on the firm's direction, with confirming it was not a party to the proceedings but noting recent executive departures, including the compliance chief and co-general counsel. The introduced governance vulnerabilities, as evidenced by the rare material risk disclosure, which signaled to investors potential disruptions in key decision-making; observers noted this could erode confidence, though no direct performance declines were attributed solely to the tensions. Internal awareness of the strains was widespread, per reports, but quantifiable data on employee morale impacts remains undisclosed.

Recent Transitions and Firm Governance Changes

In August 2024, John Overdeck and stepped down as co-chief executive officers of Investments, transitioning to the roles of co-chairmen while relinquishing day-to-day management responsibilities. The change, effective September 30, 2024, installed Carter Lyons as one of the new co-CEOs alongside another executive, aiming to professionalize operations amid prior leadership tensions. Overdeck rejoined Two Sigma's two-person management committee on April 1, 2025, replacing a prior designee and resuming involvement in strategic oversight eight months after the CEO handover. This adjustment reflects ongoing efforts to balance founder influence with independent management structures at the firm, which oversees approximately $60 billion in assets. By January 2025, Overdeck and Siegel entered arbitration to resolve disagreements over Two Sigma's strategic direction, marking a formal mechanism to address governance uncertainties stemming from their differing visions. These proceedings, ongoing as of early 2025, underscore the firm's implementation of dispute resolution protocols to maintain operational stability, though specific outcomes on long-term governance enhancements remain pending.

Wealth and Financial Impact

Accumulation Through Hedge Fund Performance

John Overdeck's wealth accumulation derives principally from his equity ownership in Investments, the quantitative co-founded in 2001, where performance-driven growth in firm value has been the core mechanism. The firm's systematic strategies, leveraging vast datasets and for alpha generation—returns exceeding market benchmarks—have sustained investor capital inflows, expanding from initial seed levels to over $60 billion by 2023. This expansion reflects causal links between empirical outperformance in volatile markets and scalable fee structures, including management and incentive fees tied to net gains. Flagship vehicles like the Compass Cayman Fund exemplify this, delivering compounded annual returns of nearly 16% since inception in 2005, with a % gain in 2015 alone amid broader industry challenges. Such consistency in risk-adjusted alpha, rooted in proprietary models analyzing billions of trades and petabytes of , propelled AUM milestones, including surpassing $50 billion by 2017. Independent evaluations have ranked atop categories for alpha production and , distinguishing it from peers reliant on discretionary trading. Overdeck's financial gains remain concentrated in Two Sigma equity, with no documented pivots to unrelated sectors, underscoring the hedge fund's returns as the singular driver of his billionaire trajectory through compounded firm appreciation and retained earnings.

Net Worth Estimates and Rankings

As of September 2025, Forbes estimates John Overdeck's net worth at $8 billion, ranking him #172 on the list of America's richest individuals. This valuation marks an increase of $600 million from earlier assessments, driven by the strong performance of Investments amid favorable market conditions for quantitative strategies. Overdeck's wealth is derived primarily from his equity stake in the firm, which manages about $60 billion in as of mid-2025. Forbes identifies Overdeck as the richest resident of , surpassing other state billionaires such as and . In April 2025, his net worth was estimated at $7.4 billion in the publication's state-by-state richest persons ranking, reflecting typical fluctuations linked to valuations and broader equity market gains. He shares this $8 billion estimate with co-founder , underscoring the parallel financial trajectories of the firm's principals amid its growth in assets and returns.

Asset Management and Personal Holdings

John Overdeck directs the for the Overdeck Family Foundation, which reported total assets of $827 million in its 2023 IRS filing. This , focused on education initiatives, maintains a diversified that includes holdings in external investment vehicles, such as shares in the 500 Index Fund Admiral, Broome Strategies, and , as disclosed in its Schedule of Investments within the Form 990-PF. These allocations reflect a data-driven approach to asset growth, separate from Overdeck's professional quantitative trading activities, with public tax filings ensuring transparency into the foundation's financial oversight. In managing personal holdings, Overdeck transferred substantial assets—alleged in documents to exceed several billion dollars—into Wyoming-based s prior to March 2022, structured for tax shielding and spousal under state law. Such maneuvers, detailed in , highlight his strategic use of irrevocable s to segregate from marital claims while complying with jurisdictional benefits like Wyoming's favorable trust statutes. This structuring underscores a focus on long-term preservation amid evolving personal circumstances, with disclosures via records providing verifiable insight into the arrangements.

Philanthropic Endeavors

Creation of Overdeck Family Foundation

The Overdeck Family Foundation was established in 2011 by John Overdeck, co-founder of Investments, and his wife , with an initial mission to provide all children opportunities to unlock their potential through enhanced educational access and outcomes. The foundation's origins emphasized broad educational improvements, drawing on the founders' backgrounds in and initiatives to prioritize interventions that could demonstrably advance from birth through elementary years. Structured as a private family foundation, it operates with a leadership team including the founders as directors and focuses grantmaking on evidence-based programs, rejecting unsolicited proposals in favor of targeted, vetted opportunities that align with measurable impact criteria. Over time, the foundation refined its approach to stress empirical evaluation of interventions, particularly in and via hands-on STEM experiences and K-9 educator support, adopting a venture-inspired model in 2021 that favors multi-year, unrestricted funding for scalable, data-informed strategies. Since inception, the foundation has committed over $500 million in grants, allocating resources across direct-impact organizations (approximately 75% of funding) and ecosystem-building efforts (25%) to foster systemic improvements in educational efficacy. This data-centric framework underscores a departure from traditional philanthropic models, insisting on rigorous metrics for academic and socioemotional progress rather than anecdotal or ideologically driven allocations.

Evidence-Based Focus on Education

The Overdeck Family Foundation prioritizes educational interventions backed by causal , such as randomized controlled trials (RCTs), to identify programs that demonstrably improve student outcomes in core subjects like . This approach emphasizes rigorous evaluation over anecdotal or theoretically driven initiatives, focusing on scalable solutions that have been tested for efficacy in real-world settings. For instance, the foundation supports platforms like Math, which delivers interactive, curriculum-aligned lessons designed to build foundational skills through repeated practice and immediate feedback, with evidence from implementation studies showing gains in student proficiency. In contrast to prevalent educational trends that often adopt methods without sufficient empirical validation—such as discovery-based learning lacking dosage and —the foundation requires grantees to incorporate outcome tracking and research components to substantiate impact. Partnerships are structured to generate actionable insights, including to program models and sufficient student exposure, thereby weeding out interventions that fail under scrutiny. This -driven scrutiny counters normalized fads by privileging metrics like achievement gains over ideological alignment, ensuring resources flow to approaches with proven causal links to learning improvements. The foundation explicitly avoids funding programs reliant on unverified assumptions or absent RCT-level evidence, instead investing in studies that validate or refute models before broad scaling. By mandating evidence-building—such as dosage analyses and professional learning tied to curriculum—this strategy fosters a cycle of continuous refinement, prioritizing causal realism in over unproven pedagogies that dominate institutional practices despite weak supporting data.

Key Grants, Partnerships, and Outcomes

In the second quarter of 2025, the Overdeck Family Foundation awarded 52 grants totaling $32.7 million, with a focus on scaling evidence-based interventions in math, , and , including generative applications for and . Notable allocations included $6 million to for expanding its math platform, which serves one in four U.S. elementary students, and $1.67 million to the Learning + Tech Fund to deploy -enhanced literacy models reaching 495,000 students. Additional support went to ($5 million) for language development programs and Next Education Workforce ($4 million) for team-based staffing models aimed at improving teacher efficacy. The foundation has partnered with the Bill & Melinda and the on initiatives integrating into education, such as a $900,000 award in 2024 to fund three randomized controlled trials (RCTs) evaluating generative coaching tools for K-12 teachers. These studies, involving up to 180 teachers across grades 4-8, measure impacts on student achievement, engagement, and teacher practices through comparisons of AI-driven reflective versus directive coaching. John Overdeck personally pledged significant funding to NextLadder Ventures in 2025, a collaborative effort with the and others to leverage for among low-income families, targeting scalable interventions in workforce preparation and opportunity access. Funded programs have demonstrated measurable student improvements, including a 25 percent gain in first- and second-grade from a descriptive supported in prior cycles and extended into 2025 grantmaking. The foundation's emphasis on RCTs has yielded evidence from 10 trials in 2025, validating 14 generative innovations for and showing potential for cost-effective scaling to enhance academic and socioemotional outcomes across millions of students.

Civic Engagement and Recognitions

Board Roles in Academic Institutions

John Overdeck was appointed to the Board of Trustees of the Institute for Advanced Study (IAS), an independent research institution in , effective October 30, 2015. His qualifications for this role include a in from , a in statistics from the same institution, and a at the 1986 , providing expertise relevant to overseeing research in and theoretical physics. Since his appointment, Overdeck has served as co-chair of the IAS Investment Committee, managing the institute's endowment investments that provide financial support for its research programs. The IAS conducts fundamental through its Schools of and Natural Sciences, focusing on areas such as and , where board oversight ensures resources align with advancing independent scholarly inquiry. On May 8, 2023, the IAS Board elected Overdeck as its Chair, succeeding who had held the position since 2008. In this capacity, Overdeck leads the board's governance efforts, including contributions to the institute's strategic direction aimed at sustaining long-term support for postdoctoral and faculty research in rigorous, theory-driven fields.

Honors for Mathematical and Professional Contributions

Overdeck earned a representing the at the 27th in , , in July 1986, at the age of 16, with a total score of 32 out of 42 across six problems, ranking him 22nd overall among participants. This achievement, following intensive national training, highlighted his exceptional problem-solving abilities in advanced topics such as , , and , as evidenced by his performance in securing full or near-full marks on multiple problems. The medal remains a benchmark of his foundational mathematical talent, which informed his later applications in quantitative modeling. In recognition of his innovations in quantitative finance, Overdeck and Two Sigma co-founder David Siegel jointly received Institutional Investor's Lifetime Achievement Award for Hedge Fund Management in 2019, honoring their development of data-driven algorithms and approaches that propelled the firm's growth and performance. This merit-based accolade, awarded at the 17th annual Industry Awards, specifically cited their contributions to advancing computational methods in , distinct from broader industry success metrics.

Personal Life

Family Background and Relationships

John Overdeck married Laura Anne Bilodeau, a former principal consultant at Stanford Research Institute, on October 12, 2002, in a ceremony detailed in The New York Times. The couple has three children, including their son Daniel. Overdeck and his wife shared an early interest in education-focused philanthropy, co-founding the Overdeck Family Foundation in 2011 to support initiatives enhancing children's learning opportunities inside and outside the classroom. Their son Daniel serves as a director on the foundation's leadership team, indicating family involvement in its operations. The family resided in Millburn, New Jersey, maintaining a low public profile with sparse details beyond these philanthropic ties.

Divorce Proceedings and Asset Disputes

Laura Overdeck filed for divorce from John Overdeck in March 2022 in New Jersey Superior Court after roughly 20 years of marriage, during which the couple did not execute a prenuptial agreement. The sealed proceedings involve disputes over equitable distribution of marital assets under New Jersey law, including John's ownership interests in Two Sigma Investments, which the couple co-owns. In 2018, ahead of the divorce filing, trust assets exceeding several billion dollars—originally established for tax advantages and the couple's children—were relocated from New Jersey to Wyoming-based irrevocable trusts. Laura Overdeck alleged that these transfers stripped her of beneficiary status upon , vesting sole control in John Overdeck over potential distributions and the children's . In 2023, she sued the Seward & Kissel and partner Hume R. Steyer in , claiming legal malpractice, , and of duty for the firm's role in the moves without her knowledge or consent, which she described as an effort to "divorce-proof" John's holdings. Laura Overdeck further alleged in October 2025 that Two Sigma Investments employees aided John Overdeck in concealing billions in assets from the , including a major stake in the , by channeling them into trusts he controls. She sought to amend her 2023 lawsuit against Seward & Kissel to incorporate these claims against the firm's staff. No public responses from John Overdeck, , or the defendants to these specific allegations were detailed in court filings or related reports. The asset disputes overlap with internal arbitration and governance conflicts at , where tensions between John Overdeck and co-founder prompted investor disclosures of operational risks in March 2023 and culminated in their joint resignation as co-CEOs in August 2024. These firm-level frictions, including questions over trading models and controls, have raised concerns about precise valuation of Overdeck's stake amid the wealth division, potentially affecting equitable splits in the absence of a prenup.

References

  1. [1]
    John Overdeck - Forbes
    John Overdeck is the cofounder of Two Sigma, a quantitative investing powerhouse with $60 billion in assets under management. Two Sigma's largest business ...
  2. [2]
    John Overdeck Elected Chair of the IAS Board of Trustees
    May 8, 2023 · In 2001, he co-founded Two Sigma, where he presently serves as co-Chair as well as Chief Investment Officer of Two Sigma Investments. In ...
  3. [3]
    Wife of Two Sigma's Overdeck Says Firm Helped Him Hide Assets
    Oct 16, 2025 · The wife of Two Sigma Investments co-founder John Overdeck is claiming members of the quantitative hedge fund firm's staff helped her ...
  4. [4]
    John Overdeck: Net Worth & Biography - Goodreturns
    He worked as a managing director at D.E. Shaw & Co. and a vice president at Amazon.com before co-founding Two Sigma Investments in 2001 with David Siegel and ...
  5. [5]
    The Second Richest Person In New Jersey | by Luay Rahil - Medium
    Feb 13, 2022 · In 1970, John Overdeck was born in Maryland. His father, Dr. John M. Overdeck, was a retired senior mathematician for the National Security ...<|separator|>
  6. [6]
    A 'Normal' Math Whiz - The Washington Post
    Jul 16, 1986 · The younger Overdeck was attracted to all kinds of numbers, his father said, whether they were baseball statistics, stock market quotations or ...Missing: early | Show results with:early
  7. [7]
    Three Hedge Fund Titans Celebrated Over Dinner. Everything Was ...
    Oct 23, 2019 · When Two Sigma co-founder John Overdeck turned four, his parents gave him a Texas Instruments calculator for a birthday present.
  8. [8]
    [PDF] Keane Leads US Olympiad Team To 1st Place Tie With USSR
    Sep 4, 1986 · 5 of the 6 students chosen for the IMO team were USAMO Winners (top 8); the 6th, John. Overdeck, was a Winner in 1985. The other Winners of the.
  9. [9]
    IMO 1986: Rank 30/210 - International Mathematical Olympiad
    John Overdeck · United States of America, 7, 7, 1, 7, 6, 4, 32, 22, Silver medal. Wolfgang Stöcher · Austria, 7, 7, 4, 7, 6, 0, 31, 26, Silver medal. Stefan ...
  10. [10]
    John Overdeck - International Mathematical Olympiad
    John Overdeck. Number of contestants. Year · Country · P1 · P2 · P3 · P4 · P5 · P6 · P7 · Total, Rank, Award · Abs. Rel. 1986 · United States of America, 7 ...
  11. [11]
    The U.S. high school math olympiad champions of the 1970s and ...
    Aug 9, 2020 · The contact that I made with John Overdeck (USAMO winner, 1986) in writing that newsletter led, at least in part, to my being hired by D. E. ...
  12. [12]
    Two Sigma Announces Leadership Changes
    Aug 28, 2024 · John earned a B.S. in Mathematics (with distinction) and a M.S. in Statistics from Stanford University. Carter Lyons, Co-CEO, Two Sigma. Carter ...
  13. [13]
    John Overdeck and David Siegel to Receive Lifetime Achievement ...
    May 6, 2019 · Overdeck and Siegel, co-chairmen of Two Sigma, will jointly receive the manager lifetime achievement award this year at Institutional Investor's 17th annual ...<|separator|>
  14. [14]
    The 7 Billionaires Who Came Out Of D.E. Shaw And PayPal - Forbes
    Oct 1, 2015 · A math prodigy, John Overdeck was doing graduate level work in statistics at Stanford, but dropped out when he got recruited to join DE Shaw.
  15. [15]
    Inside the Geeky, Quirky, and Wildly Successful World of Quant ...
    Jun 28, 2019 · Overdeck earned a BS in mathematics (with distinction) and an MS in statistics from Stanford University. A math prodigy, at age 16 he won a ...
  16. [16]
    Mafia Wars: How D.E. Shaw's Wall Street Geeks Overtook ... - Forbes
    Oct 1, 2015 · Overdeck met two people at D.E. Shaw who changed the course of his life. One of them was Bezos. Overdeck left D.E. Shaw in 1999 to join Amazon, ...
  17. [17]
    Troubled Hedge Fund Two Sigma Replaces Feuding Founders
    Aug 28, 2024 · The multibillion-dollar trading firm said its billionaire co-chief executives, John Overdeck and David Siegel, would step down.
  18. [18]
    Two Sigma - Crunchbase Company Profile & Funding
    Two Sigma was co-founded in 2001 by John Overdeck and David Siegel in NYC. The technology-driven investment team streamlines the use of machine learning.
  19. [19]
    Two Sigma Investments
    Two Sigma: This is Financial Sciences ; 380+ Petabytes data stored ; >$60B AUM ; 5 Billion+ Trades since inception ; 10,000+ Data sources ; 80+ Venture investments.Careers · Contact Us · Interviewing at Two Sigma · Two Sigma Asia PacificMissing: milestones | Show results with:milestones
  20. [20]
    Two Sigma Raises $3.3 Billion for New Macro Hedge Fund
    Oct 30, 2014 · It has been closed to new investment since 2010. Perrin Wheeler, a spokeswoman for Two Sigma, declined to comment on the firm's performance.
  21. [21]
    About Us - Two Sigma
    Two Sigma was co-founded by a computer scientist and mathematician who understood the potential of bringing technology and data to investment management.
  22. [22]
    The Innovation Equation: Curiosity x the Scientific Method at Two ...
    Jan 31, 2025 · At Two Sigma, we apply an empirical mindset, empowered by cutting-edge technology and massive amounts of data, to uncover hidden patterns and ...Missing: causal realism<|control11|><|separator|>
  23. [23]
    A Machine Learning Approach to Regime Modeling - Two Sigma
    Oct 6, 2021 · The authors take a machine learning approach to market regime modeling, applying a Gaussian Mixture Model to the factors in the Two Sigma ...Missing: realism | Show results with:realism
  24. [24]
    Two Sigma Billionaire Founders in Rift That Poses Material Risk
    Jun 20, 2023 · Ongoing disagreements between John Overdeck and David Siegel, who started the quantitative hedge fund in 2001, were so strained that the firm ...
  25. [25]
    Two Sigma hedge fund cofounders disagree on key decisions
    Jun 20, 2023 · Disagreements between John Overdeck and David Siegel are so strained that the firm took the rare step of citing them as a material risk.
  26. [26]
    Two Sigma Founders Head to Arbitration After Years-Long Feud
    Jan 9, 2025 · Two Sigma Investments' billionaire founders, John Overdeck and David Siegel, are heading to arbitration after a longstanding feud over the direction of the ...
  27. [27]
  28. [28]
    Hedge Fund Two Sigma's billionaire founders head to arbitration ...
    Jan 9, 2025 · Two Sigma Investments' billionaire founders, John Overdeck and David Siegel, are heading to arbitration after a longstanding feud over the ...
  29. [29]
    Warring Billionaires, a Rogue Employee, a Divorce: One Hedge ...
    Nov 6, 2023 · Siegel and John A. Overdeck, the billionaire co-founders and owners who run the firm, had turned so toxic that it could hurt Two Sigma's future.
  30. [30]
    Two Sigma's co-founders to step down as co-CEOs - Reuters
    Aug 28, 2024 · Two Sigma co-founders John Overdeck and David Siegel will step down as co-Chief Executive Officers of the US-based hedge fund.
  31. [31]
    Two Sigma's John Overdeck Returns to Management Committee
    Apr 1, 2025 · Two Sigma's co-founder John Overdeck is returning to the hedge fund's management committee eight months after he relinquished day-to-day oversight of the firm.
  32. [32]
    Two Sigma's feuding founders step down as Co-CEOs - Hedgeweek
    John Overdeck and David Siegel, the feuding Co-Founders and Co-Chairmen of hedge fund Two Sigma, are to step down from the day-to-management of the firm.Missing: tensions 2020s
  33. [33]
    [PDF] TWO SIGMA INVESTOR SOLUTIONS, LP
    As of. March 31, 2025, Mr. Overdeck decided to rejoin the two-person Management Committee replacing his previous designee. The Management Committee works with ...
  34. [34]
    Hedge Fund Two Sigma Shutters $120 Million Legacy Eclipse Fund
    Oct 15, 2025 · Last year, the pair stepped down from day-to-day management of the firm. Overdeck then returned to its management committee earlier this year.
  35. [35]
    Two Sigma's Billionaires to Face Off in Arbitration - Business Insider
    Jan 9, 2025 · The cofounders, John Overdeck and David Siegel, are heading to arbitration over their long-standing feud about how to manage the $60 billion asset manager.
  36. [36]
    Two Sigma Investment Management
    Since 2001, we have been bringing a scientific approach to managing and investing capital across diversified global strategies.
  37. [37]
    [PDF] The Hedge Fund Report Card - Citadel
    Two Sigma, Citadel and Adage top the Alpha Generation cat- egory. The Two Sigma Compass fund has compounded at nearly. 16 percent since its 2005 launch; its ...
  38. [38]
    Two Sigma History: Founding, Timeline, and Milestones - Zippia
    In 2016, Two Sigma Investments ranked 11th on Penta's Top 100 Hedge Funds. 2017. As of October 2017, the fund had assets reaching more than $50 billion.
  39. [39]
    America's Richest Hedge Fund Managers 2025 - Forbes
    Sep 11, 2025 · (Tie) John Overdeck and David Siegel · Net Worth: $8 billion each (up $600 million each) · Firm: Two Sigma.
  40. [40]
    These New Jersey billionaires made Forbes 400 list of richest people
    Sep 10, 2025 · Overdeck co-founded Two Sigma, a quantitative hedge fund with about $60 billion under management, and has a net worth estimated at $8 billion.
  41. [41]
    Forbes Richest Person in Every State 2025: New Jersey's John ...
    May 11, 2025 · John Overdeck is the richest resident in New Jersey with an estimated net worth of $7.4 billion. He is the cofounder of Two Sigma, a ...
  42. [42]
    Overdeck Family Foundation - Nonprofit Explorer - ProPublica
    Two Sigma Investments Lp (0), $531,664, $56,574. John A Overdeck (Director/President) ... 2019. Extracted Financial Data. Extracted Financial Data from Form 990 ...
  43. [43]
    Two Sigma's John Overdeck Invests Money In These Funds
    Feb 2, 2025 · One of those is John Overdeck of Two Sigma Investments ... Investment Strategies · – Value Investing · – Short Ideas · – Quant Strategies · – ...
  44. [44]
    Hedge Fund Billionaire John Overdeck's Estranged Wife Sues Over ...
    Nov 1, 2023 · Laura Overdeck's suit charges a law firm, which had done estate planning for the couple, later committed malpractice and fraud by lulling ...
  45. [45]
    [PDF] "You Give Love a Bad Name” SLATs and Divorce - The American ...
    fact, the Wyoming trusts were primarily aimed at spousal asset protection for husband, and into which assets exceeding several billion dollars in value were ...<|control11|><|separator|>
  46. [46]
    About Us | Overdeck Family Foundation
    Overdeck Family Foundation was founded in 2011 by John and Laura Overdeck with the goal of providing all children the opportunity to unlock their potential.
  47. [47]
    A Closer Look at the Data-Driven Ed Philanthropy of John and Laura ...
    Jul 23, 2024 · Bloomberg Billionaires Index pegs his real-time net worth at $6.2 billion. Laura is an alumna and former trustee of Princeton University, where ...
  48. [48]
    Foundation Leadership
    Leadership Team ; John Overdeck. Founder and Director ; Daniel Overdeck. Director ; Laura Overdeck. Founder ; Anu Malipatil. Executive Director.
  49. [49]
  50. [50]
    $$32 million in new grants; Overdeck family's giving tops $500 million ...
    Jul 8, 2025 · In the second quarter of 2025, the Overdeck Family Foundation awarded more than $32 million through 52 grants aimed at accelerating ...
  51. [51]
    Research Repository - Overdeck Family Foundation
    As a leading education funder, we are dedicated to advancing the belief that “evidence matters” through novel, methodologically sound, and actionable ...
  52. [52]
    Zearn | Overdeck Family Foundation
    Zearn. Scaling an evidence-based math program to elementary schools across the country. Read More. Our Approach. Scale Tech-Enabled High-Quality Curricula.
  53. [53]
    Spotlight On Growth: Zearn | Overdeck Family Foundation
    Oct 28, 2024 · The platform Zearn Math provides guided, interactive lessons that give students more chances to understand the math they are learning with their ...
  54. [54]
    What We're Learning: New Research From Our Grantees Around ...
    Jul 9, 2025 · Zearn Math is a top-rated math platform that serves as a digital supplement to classroom instruction with independent lessons for students, ...
  55. [55]
    2024 Bright Spots: Unlocking Evidence | Overdeck Family Foundation
    Jan 30, 2025 · Here, we highlight stories of how our funding helped unlock evidence to advance field knowledge or validate program models through studies and research.
  56. [56]
    How We Support Evidence-Based Decision-Making in Curricula and ...
    Jun 6, 2022 · Educators need access to evidence that helps them select the right puzzle pieces for their schools and classrooms. At Overdeck Family Foundation ...
  57. [57]
    Our 2025 Research Strategy - Overdeck Family Foundation
    Feb 11, 2025 · Overdeck Family Foundation is committed to studying programs, interventions, and approaches that show promise in supporting students and educators.
  58. [58]
    Spotlight On Evidence: The Role of Curriculum-Based Professional ...
    Apr 3, 2024 · Since 2016, Overdeck Family Foundation has funded Leading Educators, a nonprofit that partners with school systems to provide curriculum-based ...
  59. [59]
    Overdeck Family Foundation Awards $32.7 Million in Grants in Q2 ...
    Jul 15, 2025 · In Q2 2025, our foundation awarded 52 grants totaling over $32 million. Here, we highlighted just some of the direct impact and ecosystem ...Missing: pledges | Show results with:pledges
  60. [60]
    Overdeck Family Foundation Awards $900000 to Fund Three ...
    Jul 8, 2024 · Overdeck Family Foundation has granted the Research Partnership for Professional Learning (RPPL) $900000 to manage three studies focused on ...Missing: reform | Show results with:reform
  61. [61]
    Gates Foundation Joins Philanthropies to Create Economic Mobility ...
    Jul 17, 2025 · John Overdeck, philanthropist and business leader, has also pledged significant funding support to NextLadder Ventures. Overdeck's commitment ...Missing: external | Show results with:external
  62. [62]
    Overdeck Family Foundation Awards $14.5 Million in Grants in Q1 ...
    Apr 22, 2025 · In Q1 2025, our foundation awarded 56 grants totaling over $14.5 million. Here, we highlighted just some of the direct impact and ecosystem ...
  63. [63]
    [PDF] 2024 - Grantmaking & Impact Report
    grantmaking year since the Foundation's inception: we disbursed $63.5 million ... TalkingPoints wouldn't be where it is today without Overdeck Family Foundation.Missing: pledges | Show results with:pledges
  64. [64]
    John Overdeck Appointed to Institute for Advanced Study Board of ...
    Nov 17, 2015 · He serves on the Boards of the Hamilton Insurance Group, the National Museum of Mathematics and the Robin Hood Foundation. Overdeck earned a ...
  65. [65]
    WEDDINGS/CELEBRATIONS; Laura Bilodeau, John Overdeck
    Oct 13, 2002 · Overdeck, 32, is a co-chairman and the chief investment officer of Two Sigma Investments, a hedge fund in New York. He graduated from Stanford.
  66. [66]
  67. [67]
    Hedge fund manager's wife files for divorce at the worst possible time
    Aug 10, 2023 · The feud between John Overdeck ... Now things have got significantly more complicated – Laura Overdeck has initiated divorce proceedings.
  68. [68]
    John Overdeck and David Siegel quit as Two Sigma co-CEOs
    Aug 28, 2024 · John Overdeck and David Siegel, who set up Two Sigma in 2001, are handing over the reins to two new co-CEOs after a years-long feud over the direction of a ...<|separator|>