 Following a four-year stint of performing in Northwestern University's "Mee-Ow Show", she relocated to Amsterdam in 2002 for three years as part of the comedy group Boom Chicago.In 2005, Campbell moved to Los Angeles and found work with multiple comedy clubs such as The Groundlings and the Upright Citizens Brigade Theater.Campbell currently performs in and writes for The Midnight Show, a monthly sketch showcase at the Upright Citizens Brigade Theater, and is a recurring performer on The CW's "Whose Line Is It Anyway".