Martin Scorsese is an American film director, producer, screenwriter, and actor known for his crime dramas and collaborations with Robert De Niro and Leonardo DiCaprio. Some of his most famous films include Goodfellas, Taxi Driver, and The Departed, for which he won an Academy Award. Scorsese is renowned for his depiction of violence and use of techniques like freeze frames and tracking shots. His films often explore Italian-American identity and themes of crime, masculinity, and redemption through complex character studies.