David J. Sambrooks

President & Chief Executive Officer and Director

David J. Sambrooks has served as our President and Chief Executive Officer and as a member of our Board of Directors since November 1, 2017. Mr. Sambrooks has over 38 years of experience in the energy industry. Most recently he served as the President, Chief Executive Officer and a member of the Board of Directors of Sabine Oil & Gas Corporation (including its predecessor, Sabine Oil & Gas LLC, which was formerly known as NFR Energy LLC) from May 2007 to October 2016 (in July 2015, Sabine Oil & Gas Corporation and certain subsidiaries filed for protection under Chapter 11 of the Bankruptcy Code and emerged from bankruptcy in August 2016). In his roles at Sabine, Mr. Sambrooks led strategic, financial, operational, business development and organizational efforts. Mr. Sambrooks previously served as Vice President and General Manager of the Southern Division for Devon Energy Corporation as well as Vice President and General Manager of Devon’s International Division from 2001 to 2007. Prior to Devon, Mr. Sambrooks’ career included key leadership and technical roles in domestic and international operations with Santa Fe Energy Resources, Oryx Energy and Sun Oil Company. Mr. Sambrooks holds a Bachelor of Science degree in Mechanical Engineering from The University of Texas at Austin, and a Master of Business Administration from The University of Houston. Mr. Sambrooks serves as board president of the non-profit Communities In Schools of Houston and has served as a board member and volunteer for various non-profit organizations.

Scott C. Weatherholt

Executive Vice President
General Counsel & Corporate Secretary

Mr. Weatherholt joined the Company in February 2015 and currently serves as its Executive Vice President - General Counsel & Corporate Secretary and Executive Vice President - Land.  Prior to joining Midstates, Mr. Weatherholt served as an attorney at Samson Resources, located in Tulsa, Oklahoma from May 2005 to February 2015, where he most recently held the position of Assistant General Counsel and oversaw the company’s corporate transactional legal matters, mergers and acquisitions, as well as had managerial responsibility for Samson’s Land Administration and Division Order Departments.  Prior to Samson, Mr. Weatherholt was engaged in the private practice of law in Tulsa, Oklahoma with the Pray Walker law firm, with an emphasis upon energy and royalty owner litigation. Mr. Weatherholt graduated from the University of Oklahoma Michael F. Price College of Business with a B.B.A. degree in Finance as well as the University of Oklahoma College of Law where he received his Juris Doctorate degree. Mr. Weatherholt is a member of the American Bar Association, Oklahoma Bar Association as well as the Association of Corporate Counsel. Mr. Weatherholt serves as a member of the board of directors of the Oklahoma Independent Petroleum Association and is a member of the board of directors of the State Chamber of Oklahoma.

Amelia K. Harding

Vice President
Human Resources & Administration

Ms. Harding joined the Company in September 2015 and currently serves as our Vice President - Human Resources & Administration. Prior to joining Midstates, Ms. Harding worked as the General Manager, Human Resources for Samson Resources from March 2012 through September 2015 where she oversaw all human resources and organizational development activities for the company. Prior to this role, Ms. Harding served as the Manager, Employee Relations and Recruiting for Samson Resources Company from June 2009 through February 2012. Preceding those positions, Ms. Harding led the human resources teams for Southwest United Industries Inc., and KOPCO Inc., from 1998-2009. She received her Bachelor of Business Administration degree in Management from Fort Hays State University, and her Master of Human Resources and Organization Development from the University of Oklahoma.  Ms. Harding is a certified Senior Professional in Human Resources, certified facilitator for both CCL 360 Assessment and DiSC and a member of SHRM.

Richard McCullough

Vice President & Chief Accounting Officer

Mr. McCullough joined Midstates in April 2015 and currently serves as its Vice President and Chief Accounting Officer.  Prior to joining Midstates, from January 2013 to March 2015, Mr. McCullough was the Controller of Corporate Accounting and Reporting for Samson Resources, located in Tulsa, Oklahoma, where he oversaw various activities associated with the financial reporting and accounting functions of the company. From March 2012 through December 2012, Mr. McCullough was the Vice President of Finance and Accounting at Caballo Energy, a private equity backed midstream company and from August 2009 through March 2012, was the Manager of Financial Reporting for Alliance Resource Partners, L.P., both located in Tulsa, Oklahoma.  Prior to his time with Alliance Resource Partners, Mr. McCullough worked in the Tulsa Office of Grant Thornton LLP from January 2003 through August 2009 on a variety of clients, including public midstream companies.  Mr. McCullough graduated from Oklahoma State University with a B.S. degree and a M.S degree in Accounting and is a Certified Public Accountant.