Mark Poloncarz

Mark C. Poloncarz
Poloncarz in 2025
8th Erie County Executive
Assumed office
January 2012
Preceded byChris Collins
Erie County Comptroller
In office
2006–2012
Preceded byJames Hartman
Succeeded byStefan Mychajliw
Personal details
Born (1967-11-07) November 7, 1967
PartyDemocratic
EducationUniversity at Buffalo (BA),
University of Toledo (JD)
Websitemarkpoloncarz.com

Mark Charles Poloncarz (born November 7, 1967) is an American politician who has served as the Erie County Executive since 2012. He is also the Vice Chair of the National Democratic County Officials (NDCO). He formerly served as the North East Regional Representative for the National Association of Counties and continues to be a member of their finance committee.

In addition to successfully negotiating two Buffalo Bills NFL lease agreements, Poloncarz led Erie County's response to the COVID-19 pandemic, the 2022 Buffalo shooting, and multiple weather disasters, including the December 2022 North American winter storm.