Jessica Chaffin trained as a writer and performer at the Upright Citizens Brigade in NYC. Along with Jamie Denbo, she is one half of Ronna & Beverly a live comedy talk show developed at the Upright Citizens Brigade Theatre in Los Angeles that continues to play to packed houses at the UCBTLA. In 2010 the ladies took the stage show to The Edinburgh Fringe Festival for a month-long run. They returned to the UK several more times, selling out London's Soho Theatre, and developing a cult following. This lead to their critically acclaimed chat show series, Ronna & Beverly, co-produced with Paul Feig and Hattrick Productions, which aired on Sky Atlantic HD in the UK in fall 2012. Chaffin and Denbo continue to record and produce their ever-popular "The Ronna & Beverly Podcast" for the Earwolf network.


Film/TV/online credits include The Heat, New Girl, 2 Broke Girls, Children’s Hospital, Curb Your Enthusiasm, Weeds, and the current season of Episodes. Chaffin also achieved a certain notoriety as part of theThe Real Housewives of South Boston. A spinoff to The Heat was recently announced focusing on her & Denbo's characters.