Derek Miller is a master improviser, teacher and actor in L.A. He has done tons of commercials and been a regular in three TV shows. He was in the cast of Opening Night: The Improvised Musical! at the old iO-West. We talk to him about how the L.A. improv scene has changed, how he uses suggestions to make an emotional choice for his character, and why he's leaving L.A. and moving to England with his family.