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J. Barton Kalsu has served as our Executive Vice President, Chief Financial Officer and Treasurer since April 2016. He served as our Executive Vice President, Finance and Chief Accounting Officer from October 2013 to April 2016 and served as our Chief Accountant and Senior Vice President, Finance, from November 2011 to October 2013. Mr. Kalsu joined the Company as Chief Accountant and Vice President, Finance in August 2007. Prior to joining the Company, Mr. Kalsu worked for JPMorgan Chase Bank as Vice President, Commercial Banking, from June 2005 until August 2007. From April 2002 until June 2005, Mr. Kalsu worked for Red Hat, Inc. as Senior Director of Finance. Mr. Kalsu serves on the board of directors of EP Energy Corporation (NYSE: EPE). Mr. Kalsu previously served on the board of directors of Athlon Energy Inc. (Nasdaq: ATHL) prior to its acquisition by Encana Corporation. He holds a B.S. in Accounting from Oklahoma State University.