2007-2011
William H. Cole IV
2011-2014
William H. Cole IV1
2014-2016
Eric T. Costello2
2016-2020
Eric T. Costello
2020-present
Eric T. Costello
1. William H. Cole IV resigned on August 30, 2014.
2. Eric T. Costello was sworn in on October 6, 2014.