Adam Michael Sessler (born August 29, 1973) is the President of TheoryHead, Inc. a consultancy firm for entertainment and media. He is best known for being a former producer and editor-in-chief of Rev3Games, X-Play with Morgan Webb and editor-in-chief of G4's game content for the network. Sessler is notable as the only TV personality staff member to start with the channel from its launch as ZDTV all the way through its G4TV days when he left on April 25, 2012.