Tim has improvised since 1988 with many San Francisco-based groups, including BATS Improv, True Fiction Magazine, Awkward Dinner Party, and with the acclaimed troupe 3 For All. In 2009, he founded Improv Playhouse of San Francisco.
Tim has also appeared in numerous plays in the San Francisco Bay Area, and received critical acclaim for his leading roles in the improvised feature films, Suckerfish and Security. With Stephen Kearin, Tim co-wrote, and originated the role of Dirk Manly in, An Evening with Dirk & Blaine.
Tim has performed and taught improvisation at the American Conservatory Theatre, BATS Improv, Stanford University, and many other venues nationally (Los Angeles, Chicago, New York, Austin, Louisville, Atlanta, etc.) and internationally (Amsterdam, Barcelona, Beirut, Belgium, Berlin, Bucharest, Hamburg, Helsinki, Lisbon, London, Mallorca, Oslo, Paris, Saudi Arabia, Stockholm, and Tel Aviv).
He has served many times as the Director of various BATS Improv Long-Form Intensives.