Tim is an acclaimed film and television producer who has worked as a director, producer, cinematographer, editor, multi-media producer, and motion picture sound editor.  Prior to joining the Production Group at WGBH he spent 18 years supervising the production and post-production of more than 350 FRONTLINE documentaries. Tim began his career at Hannah Barbera as a cartoon-character voice editor. His film credits include "Star Trek IV," “48 Hours,” “Poltergeist,” and the IMAX film "Behold Hawaii.”