Mr. Jackson has served as Chief Executive Officer of Spartan Energy Partners since March 2010. Prior to that, from January 2008 through October 2009, Mr. Jackson was the Chairman and CEO of Price Gregory Services, Inc., a leading energy infrastructure services provider specializing in pipeline construction. Prior to Price Gregory, from October 2004 to August 2007, Mr. Jackson served as President and Chief Executive Officer of Hanover Compressor, and from January 2002 to September 2004 as Hanover’s Chief Financial Officer. Prior to that, Mr. Jackson held several positions at Duke Energy Field Services, including Chief Financial Officer, and he also held various positions at Union Pacific Resources. Mr. Jackson currently sits on the board of directors of Seitel, Inc., Main Street Capital Corp. and Cone Midstream, in addition to his role with non-profits boards. He has previously served on the board of directors of Select Energy Services (2012 to 2015), RSH Energy (2013 to 2014), Encore Energy Partners (2009 to 2011) and Exterran Holdings, Inc. (2007 to 2009). John earned a B.B.A. in Accounting from Baylor University.