Board of Directors

Marc McCarthy has served as Chairman of the Board of Directors since our formation on June 3, 2016, and serves as Chairman of the Board of Directors of the company that was the general partner of Mammoth Energy Partners LP from September 17, 2014, until October 12, 2016. Mr. McCarthy is currently a Senior Managing Director at Wexford Capital LP, having joined Wexford in June 2008. Mr. McCarthy has served as a director of Penn Virginia Corporation, an independent exploration and production company, since September 2016. Mr. McCarthy served as a director of Coronado Midstream LLC, a private gas gathering and processing operation in Midland, TX from October 2012 until March 2014. From September 2009 until June 2013, Mr. McCarthy served as Chairman of the Board and a director of EPL Oil & Gas, Inc., an independent oil and natural gas exploration and production company. He also served on the Nominating and Governance Committee of EPL Oil & Gas, Inc. Before joining Wexford, Mr. McCarthy was a Senior Managing Director at Bear Stearns & Co., Inc. within its Global Equity Research Department having been responsible for coverage of the international oil and gas sector. Mr. McCarthy joined Bear Stearns & Co. in 1997 and held various positions of increasing responsibility until his departure in June 2008. Prior to 1997, he worked in equity research at Prudential Securities, also following the oil and gas sector. Mr. McCarthy is a Chartered Financial Analyst and received a B.A. in Economics from Tufts University.

Arty Straehla has served as our Chief Executive Officer and as a member of our board of directors since our formation on June 3, 2016. Mr. Straehla has served as the Chief Executive Officer of the general partner of Mammoth Partners since February 1, 2016. Prior to joining our company, Mr. Straehla was employed as Chief Executive Officer by Serva Group LLC, an oilfield equipment manufacturer, from July 2010 to January 2016. Mr. Straehla was employed by Diamondback Energy Services, Inc. from January 2006 to November 2008, where his last position was Chief Executive Officer. In December 2005, Mr. Straehla completed a 26-year career with the Goodyear Tire and Rubber Co. where his last position was the director of consumer tire manufacturing for the North American consumer tire operations. In this capacity, Mr. Straehla oversaw eight tire plants with 12,000 employees, a $2.5 billion operating budget, a $115.0 million capital expenditures budget and a production capacity of 100 million tires per year. Mr. Straehla holds a Bachelor of Science degree in Secondary Education and a Master of Arts degree in History from Oklahoma State University. Mr. Straehla also has a Master of Business Administration degree from Oklahoma City University.

Mr. Heerwagen serves as Vice President, Corporate Development for Gulfport Energy Corporation (“Gulfport”), where he oversees corporate strategy.  Since joining Gulfport in May 2007, Mr. Heerwagen has served in multiple roles, including as the Director of Investor Relations and Corporate Affairs.  In addition, Mr. Heerwagen was involved in the formation of the Stingray entities in 2012 where he served as their President from 2012 to 2014 and oversaw their business operations.  Mr. Heerwagen holds a Bachelor of Science degree in Finance from Oklahoma State University.

Mr. Smith has served as one of our directors since our initial public offering in October 2016. He founded Triple Double Advisors, LLC, an investment advisory firm focusing on the energy industry, in 2007 and is its President and Managing Member, a position he has held since August 2007. Mr. Smith was Chairman and Chief Executive Officer of John S. Herold, Inc., an independent energy research firm, from 1984 until the firm was merged into IHS, Inc. in 2007. Prior to that, Mr. Smith was an energy equity analyst at Oppenheimer & Co., Inc. (1982-1984), The First Boston Corp. (1979-1982) and Argus Research Corp. (1976-1979). Since September 2015, Mr. Smith has served on the board of independent crude storage operator, Fairway Energy. Mr. Smith served on the board of directors of Plains All American GP LLC, the general partner of Plains All America Pipeline, L.P., from 1999 until 2010. Mr. Smith is also a former director of PAA Natural Gas Storage, L.P. from April 2010 until December 2013 and Pioneer Southwest Energy Partners, L.P. from May 2008 until December 2013. Mr. Smith is a former director of Pioneer Natural Resources (1993-1998), Cabot Oil & Gas Corporation (1996-2000) and Evergreen Resources, Inc. (2000- 2004), and was a past appointee to the National Petroleum Council. Mr. Smith holds a Bachelor of Administration from Duke University and a Masters of Business Administration from New York University's Stern School of Business. In addition, he holds the Certified Financial Analyst designation. Mr. Smith is a Fellow and active in the National Association of Corporate Directors.

Mr. Weiss has served as one of our directors since our initial public offering in October 2016. Since February 2013, Mr. Weiss has served as an independent legal consultant to several individuals and firms, providing advice with respect to financial, real estate investment, biotech, corporate governance and litigation matters. From August 1986 until January 2013, Mr. Weiss was a partner at Schulte Roth & Zabel LLP in the firm's business transaction group, representing hedge funds, private equity funds, banks and other financial institutions and real estate and other businesses. Mr. Weiss' experience also includes an associate position at Shearman & Sterling LLP from 1979 until 1986 and his tenure as a staff attorney at the SEC's Division of Market Regulation from 1977 until 1979. Mr. Weiss has served as a member of the supervisory boards of BAWAG P.S.K., a privately held Austrian bank, and its parent BAWAG Holding GMBH, and as a consultant of BAWAG Holding GMBH, in each case since February 2013. Mr. Weiss holds a Bachelor of Arts from the New York University and a Doctor of Jurisprudence from the Syracuse University College of Law.

Mr. Ross has served as one of our directors since November 7, 2016. He served as deputy general counsel of Deloitte LLP from September 1990 until his retirement in May 2016. In addition, from November 2002 to May 2016, Mr. Ross served as a member of the board of directors of a global captive insurance company, where he chaired the investment committee and was a member of the underwriting committee. Prior to joining Deloitte, from September 1984 to September 1990, Mr. Ross was Associate General Counsel at KPMG and, from September 1978 to September 1984, a corporate attorney at Cravath, Swaine & Moore LLP, where he practiced securities, banking and financing law. Mr. Ross holds a Bachelor of Science degree in Economics (summa cum laude) from The Wharton School at the University of Pennsylvania and a Doctor of Jurisprudence degree from the University of Virginia Law School.