John Quigley is a former Secretary of the Pennsylvania Department of Environmental Protection, having been nominated by Pennsylvania Governor Tom Wolf and confirmed in June 2015 and serving until his resignation in May 2016. From 2009 to 2011, Quigley served as secretary of the Pennsylvania Department of Conservation and Natural Resources. Prior to his appointment as secretary, Quigley worked for DCNR in several capacities, including overseeing strategic initiatives and operations, and as chief of staff. He is the first and only person in the history of Pennsylvania to hold the positions of both DCNR and DEP Secretary.