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Adam Horowitz

Adam Horowitz (born December 4, 1971) is an American screenwriter, television producer, and showrunner best known for his collaborative work with on the ABC fantasy drama series (2011–2018), which reimagined fairy tale characters in a modern setting and ran for seven seasons. Born in , Horowitz graduated from in 1990 and earned a B.A. in political science and communication arts from the in 1994. Prior to entering the entertainment industry, he held entry-level positions such as assistant and messenger jobs, and spent three years as a vendor at in , selling concessions including ice cream, hot dogs, soda, and beer. Horowitz began his professional writing career in 1998 as a staff writer on the ABC reboot of , contributing to all 13 episodes of the series. He advanced to writing and producing roles on shows like (2001), (2002–2003), (2003–2004), and Tron: Legacy (2010), for which he co-wrote the screenplay with Kitsis. His breakthrough came in 2005 as a writer and co-executive producer on the critically acclaimed ABC series Lost, where he contributed to multiple episodes and shared in the show's 2010 Ensemble Writers Guild Award. Alongside Kitsis, Horowitz co-created and served as showrunner for Once Upon a Time, which became a cultural phenomenon blending mythology, fairy tales, and serialized storytelling, spawning spin-offs like Once Upon a Time in Wonderland (2013–2014). The duo later executive produced the Apple TV+ anthology series Amazing Stories (2020), reimagining Steven Spielberg's 1980s classic with episodes featuring high-profile talent. In 2019, ABC acquired their romantic anthology project Epic, set in a Disney-inspired universe, but it was not picked up to series. As of 2025, Horowitz continues to develop projects with Kitsis, including the Max series adaptation of Carl Hiaasen's novel Skinny Dip in collaboration with Bill Lawrence.

Early life and education

Childhood

Adam Horowitz was born on December 4, 1971, in New York City. He grew up in and attended on Manhattan's , graduating in 1990. During his late teenage years, Horowitz worked as a concessions vendor at in for nearly three years, from 1989 to 1991, selling items such as ice cream, hot dogs, soda, and beer.

Education

Horowitz enrolled at the after graduating from high school, pursuing a dual major in communication arts and political science. He completed his degree in 1994. While at the university, he also worked as a writer and reporter for the student newspaper, the Daily Cardinal, covering various topics including and the . During his time at the university, Horowitz took courses in the Department of Communication Arts, including Comm Arts 355: Introduction to Media Production, where he first met his future writing partner, . This class involved hands-on experience with film editing, such as cutting super-8 film, which fostered early collaborative projects in . His studies emphasized radio, television, and film production, providing foundational skills in media storytelling. The communication arts program at Wisconsin–Madison directly influenced Horowitz's entry into by equipping him with practical knowledge of narrative structure and visual media, which he later applied in his professional collaborations. This academic background, combined with his initial writing partnerships formed on campus, laid the groundwork for his transition into the television industry.

Personal life

Marriage and family

Adam Horowitz is married to Erin Barrett Horowitz. The couple has two children.

Career

Television

Horowitz began his professional writing career in 1998 as a staff writer on the ABC reboot of Fantasy Island, contributing to all 13 episodes of the series alongside Edward Kitsis, his longtime writing partner since their time as studio assistants. He and Kitsis continued their collaboration as staff writers on the WB teen drama Popular from 1999 to 2001. In 2001, they co-wrote two episodes of Felicity during its final season. The duo advanced to writing and producing roles on Birds of Prey (2002–2003), Black Sash (2003), One Tree Hill (2003–2004), and Life as We Know It (2004–2005). They also co-wrote the 2005 TV movie Confessions of an American Bride. In 2005, Horowitz joined the ABC series Lost as a staff writer halfway through its first season, progressing to supervising producer by season three and eventually co-executive producer by the final season in 2010. Together with Kitsis, he co-wrote several key episodes, including "Confirmed Dead" (season 4), "The Man Behind the Curtain" (season 3), and "There's No Place Like Home" (season 4 finale parts 2 and 3), contributing to the show's mythological and character-driven storytelling. Their work on Lost solidified their partnership, leading to a multi-year overall deal with Studios in 2007 that enabled further development projects. Horowitz co-created the fantasy drama Once Upon a Time with Kitsis for ABC, serving as showrunners from its 2011 premiere through its 2018 conclusion after seven seasons, blending fairy tale characters with modern settings in Storybrooke. The series spawned the spin-off Once Upon a Time in Wonderland, which Horowitz executive produced during its 2013–2014 run on ABC, focusing on Alice's adventures. Beyond these, Horowitz contributed as a consulting producer and co-wrote the first four episodes of the animated series Tron: Uprising (2012–2013) on Disney XD, expanding the Tron universe. He co-created and executive produced the supernatural horror anthology Dead of Summer for Freeform in 2016, set at a haunted summer camp, though it lasted only one season. In 2020, Horowitz and Kitsis served as showrunners and executive producers for the Apple TV+ anthology series Amazing Stories, reimagining Steven Spielberg's 1980s classic with five standalone episodes. In 2021, ABC ordered a pilot for Epic, a fairy tale anthology series co-created by Horowitz and Kitsis, but the network passed on it in August without moving to series. As of 2025, Horowitz continues his collaboration with Kitsis on new projects, including co-writing and executive producing RJ Decker, a series of Carl Hiaasen's Double Whammy, ordered straight to series by for the 2025–2026 season and starring . They are also developing Skinny Dip, another Hiaasen , at Max with Bill Lawrence attached as , announced in March 2025. Additionally, Horowitz and Kitsis were attached to develop a series for Disney+ in 2021, focusing on and LeFou, but the project was shelved indefinitely by 2022 due to creative and scheduling issues, with no further updates as of November 2025.

Film

Horowitz's most notable contribution to feature films came through his screenwriting collaboration with on Tron: Legacy (2010), a action sequel to the 1982 cult classic . Directed by and produced by , the film follows Sam Flynn (), who enters a digital universe created by his father Kevin () to confront a tyrannical program threatening the real world. Horowitz and Kitsis developed the screenplay from a story by Kosinski and Mark Mills, incorporating elements of , identity, and legacy that expanded the original film's aesthetic. The project marked their first major theatrical feature credit, grossing over $400 million worldwide and influencing subsequent digital effects-driven blockbusters. In 2009, Horowitz and Kitsis were commissioned by and to pen an early screenplay for , a horror adaptation of the . Their draft envisioned a story centered on the dangers of spirit communication, but it was discarded during development amid multiple studio changes and rewrites. The film ultimately proceeded without their involvement, directed by and released in 2014 by and .

Awards and nominations

Awards won

Adam Horowitz has received recognition for his contributions to television writing, particularly through shared awards with his collaborators. In 2006, Horowitz shared the Writers Guild of America Award for Best Dramatic Series with the writing team of Lost, including Carlton Cuse, Edward Kitsis, Damon Lindelof, and others, for their work on the ABC series during its first season. This accolade highlighted the team's innovative storytelling in the mystery-drama genre. Earlier, in 2000, Horowitz co-wrote the episode "Booty Camp" of Popular with Edward Kitsis, which earned them a shared SHINE Award for Best Comedy Episode from Advocates for Youth, recognizing positive portrayals of sexual health and relationships in entertainment.

Nominations

Horowitz received multiple nominations from the Writers Guild of America (WGA) for his work on Lost, recognizing his contributions as a writer and executive producer on the series. For the 2007 WGA Awards, he was nominated alongside the writing staff for Dramatic Series, honoring episodes from the show's second and third seasons. Similarly, the 2008 WGA Awards nominated Lost in the Dramatic Series category, crediting Horowitz with key writers including Carlton Cuse and Damon Lindelof for the fourth season's narrative achievements. The series earned another Dramatic Series nomination at the 2009 WGA Awards, where Horowitz was listed among the writers for the fifth season's complex storytelling. Finally, for the 2010 WGA Awards, Lost received a Dramatic Series nomination, with Horowitz credited for his role in the sixth and final season's resolution. In addition to WGA recognition, Horowitz garnered Primetime Emmy Award nominations as an for Lost in the Outstanding Drama Series category. He was nominated for the 2008 Primetime Emmys, reflecting the series' impact during its fourth season. The following year, at the 2009 Primetime Emmys, Horowitz received another nomination for Outstanding Drama Series, acknowledging the fifth season's innovative flash-sideways structure. This recognition continued with a 2010 Primetime Emmy nomination for the sixth season, highlighting the finale's culmination of the show's overarching mysteries. These nominations underscore the critical acclaim for Lost's writing and production under Horowitz's involvement, positioning it as a benchmark for serialized drama despite not securing wins in these instances.

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