Concussion is a 2015 American biographical sports drama film written and directed by Peter Landesman, based on the exposé "Game Brain" by Jeanne Marie Laskas, published in 2009 by GQ magazine. Set during the 2000s, the film stars Will Smith as Bennet Omalu, a forensic pathologist who fights against the National Football League trying to suppress his research on chronic traumatic encephalopathy (CTE) brain degeneration suffered by professional football players.

Peter Landesman is an American screenwriter, film director, producer, journalist, novelist and painter. He wrote a number of cover stories for The New York Times Magazine, The New Yorker, The Atlantic Monthly and others, including investigations into global arms trafficking, sex trafficking, refugee trafficking, the Rwandan genocide, and the creation and smuggling of forged and stolen art and antiquities. He also reported from the conflicts in Kosovo, Rwanda, and Pakistan and Afghanistan post-9/11.