The People Who Are Leading Nine

The leadership team of Nine Energy Service represents years of experience in oil and gas production, the best of the entrepreneurial spirit, a well-earned track record of serving clients, a strong vision for what can be and the determination to build Nine into an undeniable force in the industry.

  • Ann G. Fox

    Ann G. Fox

    President, Chief Executive Officer

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    Ms. Fox has served as the President, Chief Executive Officer, Secretary and Director of the Company since July 2015, and from February 2013 to July 2015, Ms. Fox served the Company as Chief Financial Officer and Vice President, Strategic Development.

    In addition, Ms. Fox served as the Interim Chief Financial Officer of the Company from September 2017 to December 2017 and previously served in such capacity from July 2015 through April 2017. From December 2008 to February 2013, Ms. Fox served in various positions with SCF Partners, a private equity firm specializing in investments in the energy services industry. Ms. Fox became a Managing Director of SCF Partners in December 2012.

    Prior to joining SCF Partners, Ms. Fox served in the United States Marine Corps. During her service, Ms. Fox worked with a small team embedded in the South of Iraq in order to ensure Iraqi Security Force combat operations were consistent with the application of US counterinsurgency tactics. Ms. Fox has also served as an Investment Banking Analyst for both Prudential Securities and Warburg Dillon Read in New York.

    Ms. Fox holds a Bachelor of Science in Diplomacy and Security in World Affairs from Georgetown University’s Walsh School of Foreign Service and an M.B.A. from the Harvard Business School. She currently serves as a Board Director for Devon Energy Corporation, Board Advisor for Rice University’s Baker Institute for Public Policy, Board Trustee for Groton School and Board Director for American Petroleum Institute.

  • David Crombie

    David Crombie

    Executive Vice President, Chief Operating Officer

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    Mr. Crombie currently serves as Executive Vice President and Chief Operating Officer of the Company. Prior to serving in this position, Mr. Crombie served as President, Completion Solutions and as an Executive Vice President of the Company from February 2017 to January 2019. Mr. Crombie served as President, US Wireline and Cementing and was an Executive Vice President of the Company from December 2013 to February 2017.

    Mr. Crombie joined the Company from Crest Pumping Technologies, LLC, which he founded and guided to success as President. Before starting Crest, Mr. Crombie was Vice President of Operations and Sales for Pumpco Energy Services, a wholly-owned subsidiary of Complete Production Services (now part of Superior Energy Services) from 2000 to 2012. At Pumpco, he oversaw stimulation and cementing services in prolific, unconventional plays throughout the continental United States. Prior to Pumpco, Mr. Crombie was employed by Halliburton Energy Services from 1994 to 2000.

    Since 1994, Mr. Crombie has worked in both cementing and stimulation operations in the areas of domestic and international operations, including the Permian Basin, the Fort Worth Basin, Oklahoma, the Gulf of Mexico and Saudi Arabia.

  • Guy Sirkes

    Guy Sirkes

    Senior Vice President and Chief Financial Officer

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    Guy Sirkes has served as the Company’s Senior Vice President and Chief Financial Officer since April 2020. Prior to this, Guy served as the Vice President of Strategic Development for Nine where he was responsible for the Company’s M&A, strategic development and financial planning and analysis. Prior to joining the Company, Mr. Sirkes was an Executive Director with J.P. Morgan’s Oil & Gas Investment Banking group, where he worked from July 2007 through March 2019, spending time in both Houston, TX and Sydney, Australia. During his time at J.P. Morgan Guy was instrumental in executing equity, debt and M&A transactions, including our initial public offering, acquisition of Magnum Energy Tools and senior notes offering.

    Guy is a graduate of Rice University, where he holds a Bachelor of Arts Degree in Mathematical Economic Analysis.

  • Theodore R. Moore

    Theodore R. Moore

    Senior Vice President and General Counsel

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    Mr. Moore has served as the Company’s Senior Vice President and General Counsel since he joined the Company in March 2017. Prior to joining the Company, Mr. Moore served as the Executive Vice President, General Counsel and Chief Risk Officer of C&J Energy Services, Inc., a provider of onshore well construction and intervention, well completion, well support and other complementary oilfield services and technologies, from March 2015 to June, 2016, Executive Vice President from October 2012 and Vice President, General Counsel and Corporate Secretary from February 2011. Prior to that time, Mr. Moore practiced corporate law at Vinson & Elkins L.L.P. from 2002 through January 2011.

    Mr. Moore represented public and private companies and investment banking firms in capital markets offerings, mergers and acquisitions, and corporate governance matters, primarily in the oil and gas industry. Mr. Moore graduated magna cum laude from Tulane University with a B.A. in Political Economy and a J.D. from Tulane Law School.

  • Brett Luz

    Brett Luz

    Chief Accounting Officer

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    S. Brett Luz has been Chief Accounting Officer of the Company since September 2018. He served as Vice President and Chief Accounting Officer of Willbros Group, Inc., a specialty energy infrastructure contractor, from September 2017 to September 2018. He also served in many other capacities at Willbros from April 2011 through September 2017 including Director of Financial Reporting, Assistant Controller, and Corporate Controller - Reporting. In addition, he served in several positions within the audit and assurance practice of PricewaterhouseCoopers LLP from January 2003 through April 2011 and several positions within Weaver and Tidwell LLP from January 2000 to January 2003. Mr. Luz earned his Bachelor of Business Administration in Accounting and Finance from Texas Christian University in 1999. He is a Certified Public Accountant.

  • Clair Holley

    Clair Holley

    Chief Technology Officer

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    With our focus on bringing our customers the best technological solutions, there's no better person to serve as Nine's Chief Technology Officer than Clair Holley. Clair previously served as President of Nine Energy Canada and U.S. Completion Tools, where he drove many of Nine's technology initiatives as well as led the formation of key strategic partnerships.

    An engineer by trade, Clair's impressive 30+-year career has been in the oilfield services industry, where he gained insight and experience in a number of disciplines across the world including operations, sales, marketing, and management. Prior to joining Nine, he spent 25 years with Baker Hughes working on projects in North America, South America, Europe, Russia, and Africa. His last 8 years with Baker Hughes were spent in Canada where Holley oversaw the operations and sales of the wellbore construction product lines. Clair holds a Bachelor's degree in Petroleum Engineering from Montana Tech, and studied Business Management at Thunderbird School of Global Management and Financial Acumen at Mays Business School at Texas A&M.

  • Joe Huwel

    Joe Huwel

    President, Cementing and Coiled Tubing

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    Mr. Huwel currently serves as the President of Cementing and Coiled Tubing. Prior to this position, Mr. Huwel served as Vice President of Cementing for Nine. Mr. Huwel joined Nine from Crest Pumping Technologies, LLC., where he led both the sales and engineering teams. Prior to Crest, Mr. Huwel was a Senior Completions Engineer at Southwestern Energy. There he aided in the design and execution of well completions in the Marcellus Shale. Mr. Huwel began his career in 2003 with Halliburton, where he held a variety of roles both domestically and internationally.

    Mr. Huwel graduated from the University of Texas at Austin with a petroleum engineering degree and is a licensed professional engineer in Texas.

  • Nick Pottmeyer

    Nick Pottmeyer

    President, Completion Tools

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    Mr. Pottmeyer currently serves as the Company’s President of Completion Tools. Prior to serving in this position, Mr. Pottmeyer served as Senior Vice President of Completion Tools for Nine.

    Before joining Nine, Mr. Pottmeyer spent the last decade supervising, bidding, locating vendors, and generally managing all aspects of completion for hundreds of wells at Chesapeake Energy. During his career, he has worked as a roustabout, field engineer, drilling and completion foreman, production engineer, drilling engineer, and completion superintendent for major energy companies in projects that range from deepwater platforms to traditional wells to horizontal wells in a host of challenging fields and formations.

    Mr. Pottmeyer is a graduate of Marietta College in Marietta, Ohio, where he holds a B.S. Degree in Petroleum Engineering.

  • Jeff Hyre

    Jeff Hyre

    President, Wireline

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    Mr. Hyre currently serves as Nine’s President of Wireline. Prior to serving in this position, Mr. Hyre served as Vice President of Wireline from August 2022 to February 2024. Before serving as VP of Wireline, Mr. Hyre served as the Wireline East Operations and Sales manager from August 2017 to August 2022. Mr. Hyre joined the company as a sales representative in June 2013.

    Before joining Nine Energy, Mr. Hyre worked for Weatherford Wireline, J-W Wireline, Wood Group Wireline, and Baker Atlas Wireline. Mr. Hyre started in the wireline business in WV and then worked across the US, including eight years in the Gulf of Mexico. Mr. Hyre held various open-hole logging, cased hole services, pipe recovery services, technical sales, and manager roles since starting his wireline career in 1990.

    Mr. Hyre holds a Bachelor of Science in Business Administration and an Associate of Science in Petroleum Engineering Technology from Glenville State College.

  • Heather Schmidt

    Heather Schmidt

    Vice President, Strategic Development, Investor Relations and Marketing

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    Mrs. Schmidt has served as the Company’s Vice President of Strategic Development, Investor Relations, and Marketing since April 2020. Prior to this, Mrs. Schmidt served as the Vice President of Investor Relations and Marketing. In her role, Mrs. Schmidt is responsible for strategy development, M&A, and communication of the operational health of the company to investors and the marketplace. Additionally, Mrs. Schmidt is responsible for the company's Marketing and Public Relations.

    Mrs. Schmidt brings a strong and diverse background that includes fundraising and donor relations for a national political campaign and marketing for an NBA team. Before joining Nine, she was with SCF Partners. Mrs. Schmidt received her Bachelor's degree from Columbia University and an MBA from Rice University.