Bill was born in St. Louis, Missouri. An alumnus of Chicago's Improv Olympic and Second City. He has toured the country with the traveling Second City troupe in the 90s and was a student of Del Close.
Hewas voted "Best Improv Coach 2012" at the Inny Awards. Kids know him as "Mr. Laritate" from his four seasons on Disney's Emmy-winning Wizards of Waverly Place. He starred as "Thomas" in the Farrelly Bros. top ten film The Ringer, and appeared opposite Johnny Depp in The Rum Diary. He also makes cameo appearances in the filmsGalaxyQuest andDude Where's My Car?
His television credits include performing and writing on TheDana Carvey Show, voicing the popular "X-Presidents" and "Ambiguously Gay Duo" on Saturday Night Live. He has appeared on TV in ER, Freaks n Geeks, and It's always Sunny in Philadelphia. Bill is the founder of The Improv Trick and is also performer and director of The Sauce.