Chester County, Pennsylvania
County of Chester
313 West Market Street
West Chester, PA 19380

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Chester County Commissioners
Chester County CommissionersCommissioners

Executive Staff
Chief Operating Officer Mark J. Rupsis

The three-member Board of Commissioners constitutes the chief governing body of the county. The board, together with its executive staff, manages a large and diverse organization whose mission is to provide quality government services in an efficient, cost effective manner. Elected every four years, the commissioners are responsible for policy making, fiscal management, and the administration of county affairs.


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Chester County Commissioners’ Office

313 West Market Street
Suite 6202
West Chester, PA 19380

p: 610.344.6100
f: 610.344.5995