After graduating from Harvard with a degree in Religion, Flavia returned to her home state of Pennsylvania. After running several statewide campaigns for Democratic candidates, Flavia was appointed chief of staff to Pennsylvania's Lieutenant Governor, the first woman and youngest ever to serve in the position. She also served as a member of Governor Ed Rendell's senior staff.
Flavia has been a commentator for Fox News Channel, appearing on shows such as Hannity & Colmes and Fox & Friends. She is currently a commentator for MSNBC and CNBC, appearing on Scarborough Country, the Dennis Miller show, Lester Holt Live, The Situation with Tucker Carlson, and Harball with Chris Mathews. She is a frequent guest on local and national talk radio and was a host of her own public affaris radio program in the Philadelphia area. She is a regular contributor to the Harrisburg Patriot-News, Politics PA, and the Allentown Morning Call, and an editorial board member of the Philadelphia Daily News.