David has taught Meisner Technique, Michael Chekhov Technique, Cold Reading, Dialects and Shakespeare at a number of acting studios in New York City and Los Angeles, eventually establishing his own studio in LA. He has studied with master teachers William Esper, Maggie Flanigan, Sonia Moore and the character actor, Albert Salmi.

As an actor, David has worked in film; Vision Quest; The Curious Profession of Jonathan Hoag, television: Law & Order; Law & Order SVU, Ed, and off-Broadway; Romeo & Juliet.  He has worked extensively around the country with such theaters as: Cincinnati Playhouse in the Park, Repertory Theater of St. Louis, Great Lakes Theatre Festival, New Jersey and Orlando Shakespeare Festivals, The Dorset Theatre Company and The Peterborough Players.