March 17, 2017: Pennsylvania Department of Revenue Secretary Eileen McNulty plans to retire on April 21, 2017, Pennsylvania Gov. Tom Wolf announced on Friday, March 10, 2017. McNulty has worked in government for thirty years. Wolf has appointed C. Daniel Hassell as the Acting Revenue Secretary, also effective on April 21, 2017. Hassell is an expert in tax policy with more than three decades of experience with the Department of Revenue and the Pennsylvania State Senate. In December, 2009, former Pennsylvania Gov. Ed Rendell appointed Hassell as the Secretary of Revenue, after which he was confirmed on April 14, 2010, and he worked in that post until January, 2011.