Our Board of Directors has adopted policies to guide the operation and direction of the Board and its committees, including Corporate Governance Guidelines and charters for each of its committees. These comply with the requirements of the NYSE standards, applicable provisions of the Sarbanes-Oxley Act of 2002, and SEC rules. Copies of the Corporate Governance Guidelines, as well as the charters for each of the Audit Committee, Compensation Committee, and Nominating & Governance Committee, are available below.
Our Board consists of ten directors, seven of whom are independent directors. The sole inside director is Nextier’s CEO. An independent director serves as Chairman.
Mr. Drummond serves as a director and as NexTier’s President and Chief Executive Officer. He joined Keane Group, Inc. (now known as NexTier Oilfield Solutions Inc.) in August 2018 as Chief Executive Officer and a member of the Board, and was elected as President in October 2019. Prior to joining Keane, Mr. Drummond served as the President & Chief Executive Officer of Key Energy Services, Inc. and served for more than 30 years at Schlumberger Limited in various executive positions. Mr. Drummond has been a Supervisory Director at Expro Group Holdings N.V. (previously Frank’s International N.V.) since May 2017, and sits on the board of directors of the Energy Workforce & Technology Council and the advisory board for the University of Alabama College of Engineering. He has previously served on the board of directors of the National Ocean Industries Association, the Houston Offshore Energy Center, the Greater Houston Partnership, the API Upstream Committee, and as an Advisory Board Member of the University of Houston Global Energy Management Institute.
Mr. Brightman has served as a member of the NexTier board of directors since October 2019. He served as a director of TETRA Technologies, Inc. (“TETRA”), a diversified oilfield services company, from May 2009 to May 2020. He also served as Chief Executive Officer of TETRA from May 2009 until May 2019, as President of TETRA from May 2009 until February 2018, and as Executive Vice President and Chief Operating Officer of TETRA from April 2005 to May 2009. Prior to TETRA, Mr. Brightman spent 11 years at Dresser, Inc. (including its successors in interest, “Dresser”), in a variety of leadership roles, during which he was involved in multiple M&A transactions, internal restructurings and product/market repositionings. He has experience in integration of acquisitions and oversight of operations, engineering, sales and marketing, finance, human resources and information technology.
Mr. Halverson has served as a member of NexTier’s board of directors since September 2016. In 2016, Mr. Halverson became a Senior Advisor at First Reserve, a private equity firm that focuses on energy investments, and a Partner at 360 Development Partners, a commercial real estate firm. Mr. Halverson was formerly Group President of Drilling and Production Systems and Senior Vice President at Cameron International Corporation from 2014 to 2016 prior to its sale to Schlumberger in 2016. He has over 38 years of industry experience with Cameron, where he worked in various leadership roles across the U.S., Latin America and Asia. Mr. Halverson currently serves as Chairman of the Board of Directors of the Petroleum Equipment Suppliers Association, as a director on the board of the General Committee of Special Programs of the American Petroleum Institute, as a director on the board of the Well Control Institute, as a director on the board of FlexSteel Pipeline Technologies, Inc. and was the U.S. delegate to the World Petroleum Congress.
Mr. Murray has served as a member and chairman of the NexTier board of directors since October 2019. Mr. Murray retired from Dresser, Inc. (including its successors in interest, “Dresser”), a manufacturer and marketer of highly engineered equipment for the energy industry, where he had been the Chairman of the Board and Chief Executive Officer since 2001. From 1996 to 2000 he served in a variety of senior leadership roles with Dresser. Mr. Murray has over 35 years of domestic and international experience in both operational management and financial/business development leadership roles. Mr. Murray also serves on the board of the World Affairs Council of Dallas Fort Worth, on the board of advisors for the Maguire Energy Institute at the Edwin L. Cox School of Business, Southern Methodist University, and as Chairman of the Board of Regents of Seton Hall University.
Ms. Nelson has served as a member of the NexTier board of directors since October 2019. She is also the president of Greenridge Advisors, LLC, which she founded in 2007 as an energy services and equipment consulting firm focused on the development, execution, and financing of corporate and product line strategies. Ms. Nelson advises her clients on strategy development, capital allocation, acquisition evaluation and infrastructure development. Her clients span a broad range of oilfield service, product and geographic markets. Ms. Nelson has been a member of APA Corporation’s board of directors since 2014, and is a member of its audit and corporate governance and nominating committees. She also joined the Helix Energy Solutions Group, Inc. board of directors and its audit committee in July of 2019. From 2000 to 2007, Ms. Nelson served as a vice president of SCF Partners, an oilfield service and equipment-focused private equity firm, where she concentrated on investment strategy, investment execution and portfolio company management. Ms. Nelson has devoted her career to serving companies in the oil and gas industry.
Mr. Riggs has served as a member of NexTier’s board of directors since October 2019. Mr. Riggs has served in senior-level positions at Clayton Williams Energy, Inc. (“CWEI”) and its related companies for 28 years, including his current position as Vice President and Director since May 2017. Clayton Williams Companies is a group of privately held companies involved in oil and natural gas activities, real estate, and agricultural operations. From March 2015 to April 2017, Mr. Riggs served as President of Clayton Williams Energy, Inc. (“CWEI”), a public exploration and production company that develops and produces oil and natural gas. From December 2010 until Mach 2015, Mr. Riggs served as Executive Vice President and Chief Operating Officer of CWEI. From 1991 to December 2010, Mr. Riggs served as Senior Vice President—Finance, Secretary, Treasurer, and Chief Financial Officer of CWEI. Mr. Riggs currently serves as a director at Royale Energy, Inc. since July 2018. He previously served as a director at TransAtlantic Petroleum Ltd. from July 2009 to June 2020, and as a director of CWEI from May 1994 until April 2017. Mr. Riggs is a Certified Public Accountant.
Mr. Rodriguez has served as a Member of NexTier's board of directors since January 2022. He is the Chief Digital Officer at J.D. Power. Mr. Rodriguez is responsible for advancing J.D. Power’s digital and AI transformation and leads the company’s Technology, Artificial Intelligence, Research, Innovation, CX Solutions divisions. From 2016 until Mr. Rodriguez joined J.D. Power in 2017, he served as Managing Director of Strategy at Huge Inc., a global full-service digital agency that partners with Fortune 100 companies on the design and execution of product and brand strategies, enterprise transformation and innovation. Prior to joining Huge Inc., he served as a Managing Director at Accenture, the global management consulting and professional services company, where he led the firm’s North American Digital Strategy Practice for telecommunications, media and technology. From 2010 to early 2015, Mr. Rodriguez served as Chief Digital Officer at Kaplan Test Prep, a top provider of educational and career services, where he was responsible for digital transformation in technology, data science, user experience, online learning, Kaplan publishing and innovation. Mr. Rodriguez holds a bachelor’s degree of science in electrical engineering from Universidad Rafael Urdaneta in Venezuela and a master’s degree and Ph.D. in computer engineering from the University of Colorado.
Mr. Roemer has served as a member of the NexTier board of directors since October 2019. Mr. Roemer also operates his business, Roemer Financial Consulting, a financial advisory services company that he founded in 2012. He advises closely held businesses with financial advice, focusing on potential merger and acquisitions and exit transactions. Prior to his current role, Mr. Roemer served as a Partner and Chief Financial Officer of Hammond, Kennedy, Whitney & Company (“HKW”), a private equity firm. In this role, his responsibilities included, among other things, financial and tax reporting, coordinating financial due diligence of acquisition targets, and working with the HKW team to assess a target’s financial results and the financial management team’s capabilities. He is a licensed CPA with over 35 years’ experience.
Mr. Stewart joined NexTier in March 2011 as Chairman and Chief Executive Officer and became Executive Chairman in August 2018 until October 31, 2019. Prior to joining NexTier, from 2007 to 2009, he served as the President and Chief Executive Officer of a privately held international drilling company. From 2006 to 2007, Mr. Stewart served as Vice President of Integrated Drilling Services for Weatherford International plc, based in London and Dubai, where he created and managed a global business unit that included a 50-rig international land contract drilling group and a global project management team. Mr. Stewart began his career with Schlumberger Limited, where he held senior leadership positions across the globe over the span of 22 years.
Mr. Wille has served as a member of NexTier’s board of directors since March 2011. He is currently Co-Head of Private Equity and a Senior Managing Director at Cerberus, which he joined in 2006. Prior to joining Cerberus, Mr. Wille worked in the leveraged finance group at Deutsche Bank Securities Inc. from 2004 to 2006. Mr. Wille currently serves as a director of the Albertsons Companies, Inc. the second largest traditional grocery company in the U.S. In addition, Mr. Wille currently serves as a director of Off Lease Only, the largest independent used car dealer in Florida. Mr. Wille previously served as a director of Remington Outdoor Company, Inc. from February 2014 to March 2018, a designer, manufacturer and marketer of firearms, ammunition and related products and as director of Tower International, Inc., a manufacturer of engineered structural metal components and assemblies, from September 2010 to October 2012.