Born in Buenos Aires, Argentina, Segal moved to Los Angeles to pursue his MFA in Screenwriting at UCLA in 2016. He has worked as a journalist and a film critic in Argentina and Spain, and was a Jury Member at la Semaine de la Critique during the 2014 Cannes Film Festival. Segal worked as a documentary filmmaker for History and Discovery Channel, and has vast experience as an assistant director and screenwriter in Argentine films. He co-wrote the films Leones (2012), and Kékzsakállú (2016), both of which premiered at the Venice Film Festival. He was a screenwriter in Argentine TV shows such as La Asombrosa Excursión de Zamba and Siesta Z, which was selected for the Power to the Pixel conference in London. His screenplays have been nominated for two International Emmy awards and have won one Martin Fierro award. Segal has taught Screenwriting and Film Analysis at Universidad del Cine (Buenos Aires), Universitat Pompeu Fabra (Barcelona), TAMK University (Tampere, Finland), Universidad Francisco Marroquín (Guatemala) and UCLA, which selected him as a Telluride Film Festival FilmLab Fellow. In 2019, he was a fellow at the Tomorrow's Filmmakers Today program hosted by Hola Mexico and HBO and in 2020 he was a finalist for NBC Universal's Writers on the Verge program. He has worked for Buena Vista International (Disney), Marvista, Telemundo, 30 West and Anonymous Content.