John Chapman “Chap” Petersen was born on March 27, 1968, in Fairfax, Virginia. A Democrat, he served in the Virginia House of Delegates from 2002–06, was elected to the Virginia State Senate in November 2007, and was reelected in 2011. He represents the State Senate – Virginia District 34.
Welcome to the Chap Petersen for State Senate website. For the past sixteen years, Chap has been honored to represent Northern Virginia as a Democratic State Senator. He is running this year for re-election in a new Senate – Virginia District 37 which includes Fairfax City, Falls Church City, and parts of Fairfax County. The Democratic primary election date is June 20, 2023.