Biografie: From Wikipedia, the free encyclopedia Jeffrey Bertan Cohen, JD (born June 25, 1974) is an American attorney and the founding partner of Cohen & Gardner LLP. In his youth, he was a child actor best remembered for appearing as Chunk in the 1985 Steven Spielberg production The Goonies. Description above from the Wikipedia article Jeff Cohen (actor), licensed under CC-BY-SA, full list of contributors on Wikipedia.