Career
He is a graduate of the Department of Public Policy at the University of California, Los Angeles School of Public Affairs. Callaghan started his career in 1999 as a writers" assistant for Family Guy, and has since worked as a writer and producer on a variety of televisions shows such as 3 South, Yes, Dear and American Dad!. He served as co-executive producer during the show"s fifth, sixth, and seventh seasons, and as executive producer during the show"s eighth season.
During the show"s cancellation from 2003 to 2005, Callaghan wrote for the Columbia Broadcasting System television sitcom Yes, Dear and the animated television series 3 South on Music Television. In 2009, it was announced that Callaghan would begin serving as executive producer and Showrunner for Family Guy and would oversee the show"s transition to high definition, beginning in the ninth season.
Callaghan has authored two publications about the series, including Family Guy: Stewie"s Guide to World Domination and a guide to the first three seasons of the show. In 2013, in addition to his duties on Family Guy, Callaghan was also named executive producer and showrunner for the eighth season of American Dad!.
Callaghan continues as the current executive producer and showrunner of Family Guy. He has twice been nominated for a Primetime Emmy Award (including a nomination for Outstanding Comedy Series in 2009).