Cappelletti was elected to the
East Norriton Board of Supervisors in 2017, becoming the board's vice-chair in 2019. In November 2019, Cappelletti announced she would challenge three-term incumbent
Daylin Leach in the Democratic primary for the 17th District of the Pennsylvania State Senate. Leach faced many calls to resign amid allegations of inappropriate behavior, and Cappelletti was endorsed by several officials including Governor
Tom Wolf and U.S. Senators
Bernie Sanders and
Elizabeth Warren. Cappelletti defeated Leach in the June 2020 primary, receiving 65% of the vote. She went on to defeat her Republican opponent in the general election.
Committee assignments For the 2025-2026 Session Cappelletti sits on the following committees in the State Senate: • Judiciary (Minority Chair) • Appropriations • Health & Human Services • Intergovernmental Operations ==References==