Biography
Ronald Bronstein is an American screenwriter, film editor and producer. He directed, wrote and edited the independent film Frownland (2007). He has frequently collaborated with the Safdie brothers, co-writing and editing Good Time (2017) and Uncut Gems (2019).
Bronstein co-wrote the screenplay for, edited and produced Marty Supreme (2025), directed by Josh Safdie. The film earned nominations for Best Picture, Best Original Screenplay and Best Film Editing at the Academy Awards. He is married to filmmaker Mary Bronstein.
