Jen Mazzocco

Jennifer Mazzocco is an American teacher, politician and member of the Pennsylvania House of Representatives. A member of the Democratic Party, she was elected at the special election in February 2026.

Mazzocco has B.A. and M.A. degrees from the University of Pittsburgh.^[1][2] She is a native of Hempfield in Westmoreland County but has lived in Dormont in Allegheny County for the last dozen years.^[3][4] She has been a teacher for 15 years at the Taylor Allderdice High School in the Pittsburgh public school district.^[5][6][7] As well as teaching English, she also coaches the school's debate team and previously coached the school's quiz bowl teams.^[8] Mazzocco is a member of the Pittsburgh Federation of Teachers trade union and led its Political Action Committee from 2018 to 2025.^[2]

Mazzocco has served three terms on the borough council in Dormont and is the current president.^[6][9] The Pennsylvania House of Representatives' 42nd district, which consists of the Baldwin, Castle Shannon, Dormont, Mt. Lebanon and a part of Upper St. Clair, became vacant after incumbent Dan Miller was elected to the Allegheny County Court of Common Pleas in November 2025.^[6][9] On January 3, 2026, the Allegheny County Democratic Committee chose Mazzocco over Alliyson Feldmann to be the party's candidate at the special election.^[6][10] Mazzocco was elected to the Pennsylvania House of Representatives at the special election held on February 24, 2026, receiving 82% of votes.^[11][12] She will serve-out Miller's term which expires at the end of 2026.^[6] Mazzocco has indicated that she will seek re-election at the November 2026 general election.^[6]

Mazzocco is married and has two daughters.^[4]