NPK Leadership

Mr. Lanigan joined our Board of Directors in March 2022 when he was promoted to President and Chief Executive Officer of Newpark. Mr. Lanigan joined Newpark in April 2016 in the position of President, Mats & Integrated Services and Vice President, Newpark Resources, Inc. Mr. Lanigan served in this role until September 2021 when he was promoted to President and Chief Operating Officer of Newpark. Mr. Lanigan received his Bachelor’s degree in Chemical Engineering from Royal Melbourne Institute of Technology and his MBA from the Melbourne Business School at the University of Melbourne and certification as a Six Sigma Master Black Belt. Mr. Lanigan began his professional career at ExxonMobil in Australia working on rigs as a Drilling & Completions Engineer, progressing from there to Offshore Production Engineer and as a Marketer for Crude & LPG. While pursuing his MBA he accepted a position with GE in the Plastics division where he rose to the role of Chief Marketing Officer before transferring to the Capital division of GE, based in the UK. His first opportunity to work in the United States came with the Enterprise Client Group of GE’s Capital division, where he worked in leadership roles in Sales & Marketing. In 2011, Mr. Lanigan was appointed as the Director of Commercial Excellence for Asia Pacific, based in Australia. In addition to growing revenue and market share, key responsibilities for this role included developing cross-organizational synergies and market entry strategies.

Gregg Piontek joined NPK in April 2007 as Vice President, Controller, and Chief Accounting Officer. Before NPK, he was Vice President and Chief Accounting Officer at Stewart & Stevenson LLC, where he directed all start-up and purchase accounting functions related to the acquisition of assets from Stewart & Stevenson Services, Inc., and served as the lead executive financial officer for their $150 million public debt offering. Earlier roles include Assistant Corporate Controller and Controller of the Power Products Division at Stewart & Stevenson Services, Inc., and various financial roles at General Electric, CNH Global, and Deloitte & Touche. Mr. Piontek is a Certified Public Accountant and holds an MBA from Marquette University and a bachelor’s degree in accounting from Arizona State University.

Lori Briggs joined NPK in October 2017 as Senior Director of Business Transformation & Integration and was promoted to Vice President of Marketing for Industrial Services in January 2021. She assumed her current role as President of Industrial Solutions in September 2021. Ms. Briggs has built her career by integrating her expertise in marketing, business development, pricing, and finance to drive profitability and optimize team performance across multiple platforms. Before joining NPK, she held leadership roles of increasing responsibility in various divisions of GE, including Oil & Gas, Capital, and Aviation, most recently serving as Global Pricing Leader for GE Oil & Gas. Ms. Briggs holds a bachelor’s degree in finance and statistics/mathematics from Miami University and an MBA from Washington University in St. Louis.

Celeste Frugé joined NPK in April 2008 as Senior Corporate Counsel and was promoted to Vice President, General Counsel, Chief Compliance Officer, and Corporate Secretary in May 2023. Throughout her tenure at NPK, she has held various legal roles of increasing responsibility, including Associate General Counsel and Deputy General Counsel. Ms. Frugé has managed and overseen numerous global legal matters, including complex commercial issues, acquisitions and divestitures, litigation, joint ventures, and regulatory compliance. Prior to NPK, she practiced law at Winstead, PC, and Stibbs & Burbach, PC. Ms. Frugé holds a bachelor’s degree from Loyola University and a J.D. from Loyola University New Orleans College of Law.

Alan Strassner joined NPK in August 2026 as Senior Vice President, Chief Strategy and Development Officer. In this role, he is responsible for leading the Company’s strategic planning, corporate development, mergers and acquisitions, and growth initiatives, with a focus on long-term value creation and aligning strategic priorities with business objectives.  Prior to joining NPK, Mr. Strassner served as Executive Vice President and Chief Growth Officer of Cornerstone Building Brands. During his decade long tenure, he held leadership roles of increasing responsibility, including Senior Vice President of Strategy & Corporate Development, Vice President of Corporate Strategy, and Director of Strategic & Financial Planning. Earlier in his career, Mr. Strassner held positions of increasing responsibility within Ernst & Young’s assurance practice and at a family office focused primarily on energy investments.  Mr. Strassner holds a Master of Business Administration from Rice University’s Jones Graduate School of Business, where he was recognized as a Jones Scholar, as well as Master of Science in Accountancy and Bachelor of Business Administration degrees from the University of Houston.

Briana Foster joined NPK in September 2016 as Senior Human Resources Manager and was promoted to Vice President, Human Resources in April 2026. Throughout her tenure with NPK, Ms. Foster has held roles of increasing responsibility and scope, including HR Director for the Company’s mats division and led the HR Shared Services functions.  She currently provides strategic leadership for NPK’s human resources organization, helping to align talent strategies with business objectives and fostering a high-performance culture across the enterprise. Prior to joining NPK, Ms. Foster held various human resources roles with Smith International and Schlumberger from 2008 to 2016, supporting engineering, manufacturing, and field operations organizations.  Ms. Foster holds a bachelor’s degree from Texas A&M University and a Master of Science in Human Resources Management from the University of Southern California.

Ms. Robeson joined our Board of Directors in January 2018 and currently serves as the Board Chair. Ms. Robeson previously served as Chair of the Audit Committee from March 2021 and as a member of our Compensation and NCG Committees until her appointment as Board Chair in May 2023. Ms. Robeson served as Senior Vice President and Chief Financial Officer of DCP Midstream GP, LLC, the general partner of DCP Midstream GP LP, which is the general partner of DCP Midstream Partners, LP, a publicly-traded limited partnership, from May 2012 until her retirement in March 2014. Ms. Robeson also served as Group Vice President and Chief Financial Officer of DCP Midstream, LLC from January 2002 to May 2012. Prior to her appointment as Chief Financial Officer of DCP Midstream, LLC, Ms. Robeson was the Vice President and Treasurer. Prior to joining DCP Midstream, LLC, Ms. Robeson held a variety of executive finance positions at Total Petroleum and Kinder Morgan. In December 2020, Ms. Robeson was appointed and currently serves on the Williams Companies, Inc. (NYSE: WMB) Board of Directors as an independent director, as well as the chair of its Audit Committee, and a member of its Environmental, Health and Safety Committee. Since July 2014, Ms. Robeson has served as a member of the Board of Directors of SM Energy Company (NYSE: SM) and is currently serving as a member of the ESG Committee and chair of the Compensation Committee. From May 2017 to March 2019, Ms. Robeson served as a member of the Board of Directors and Audit Committee Chair of AMGP GP LLC, the general partner of Antero Midstream GP LP, (“AMGP”). Ms. Robeson previously served as a member of the Board of Directors of Antero Midstream Corporation (NYSE: AM) as of March 2019 as a result of the merger completed by AMGP until June 2022, and during her tenure on the Antero Midstream board she served as Audit Committee Chair and as a member of the Nominating and Governance Committee and as a member of the Conflicts Committee. From June 2014 until June 2016, Ms. Robeson served as a director of American Midstream GP, LLC, the general partner of American Midstream Partners, LP, a publicly traded limited partnership. Ms. Robeson served as a director of Tesco Corporation from October 2015 until its acquisition by Nabors Industries Ltd. in December 2017.

Mr. Cutillo joined our Board in March 2025. Mr. Cutillo currently serves as a member of our Audit, NCG and Compensation Committees. Mr. Cutillo has served as the Chief Executive Officer of Sterling Infrastructure, Inc. (NASDAQ: STRL) (“Sterling”) since 2017.  Prior to his appointment as Chief Executive Officer of Sterling, Mr. Cutillo held varying positions of increasing responsibility at Sterling, including Vice President, Strategy & Business Development, Executive Vice President and Chief Business Development Officer and President. 

Prior to joining Sterling, Mr. Cutillo was President and Chief Executive Officer of Inland Pipe Rehabilitation LLC, a private equity-backed trenchless pipe rehabilitation company, from August 2008 to October 2015. Mr. Cutillo currently serves on the board and executive committee of the American Road and Transportation Builders Association and as a member of the Northeastern University Civil and Environmental Engineering Industry Advisory Board.  In December 2024, Mr. Cutillo was appointed to the Working Group on Covered Resources for the Federal Highway Administration. He holds a B.S. in Mechanical Engineering from Northeastern University, where he was a member of the National Honor Society for Mechanical Engineers.

Mr. Lanigan joined our Board of Directors in March 2022 when he was promoted to President and Chief Executive Officer of Newpark. Mr. Lanigan joined Newpark in April 2016 in the position of President, Mats & Integrated Services and Vice President, Newpark Resources, Inc. Mr. Lanigan served in this role until September 2021 when he was promoted to President and Chief Operating Officer of Newpark. Mr. Lanigan received his Bachelor’s degree in Chemical Engineering from Royal Melbourne Institute of Technology and his MBA from the Melbourne Business School at the University of Melbourne and certification as a Six Sigma Master Black Belt. Mr. Lanigan began his professional career at ExxonMobil in Australia working on rigs as a Drilling & Completions Engineer, progressing from there to Offshore Production Engineer and as a Marketer for Crude & LPG. While pursuing his MBA he accepted a position with GE in the Plastics division where he rose to the role of Chief Marketing Officer before transferring to the Capital division of GE, based in the UK. His first opportunity to work in the United States came with the Enterprise Client Group of GE’s Capital division, where he worked in leadership roles in Sales & Marketing. In 2011, Mr. Lanigan was appointed as the Director of Commercial Excellence for Asia Pacific, based in Australia. In addition to growing revenue and market share, key responsibilities for this role included developing cross-organizational synergies and market entry strategies.

Mr. Larson joined our Board of Directors in March 2014. Mr. Larson currently serves as a member of our Audit, NCG and Compensation Committees. Mr. Larson previously served as Chair of our NCG Committee from May 2018 until April 2022. Beginning in May 2012, Mr. Larson served as Chief Operating Officer of Oceaneering International, Inc. (NYSE: OII), a global provider of engineered services and products, and effective February 2015, was named President of the company. In May 2017, Mr. Larson was appointed to serve as a Director and President and Chief Executive Officer of Oceaneering International, Inc. From August 1998 until May 2012, Mr. Larson held varying positions of increasing responsibility at Baker Hughes, Inc., most recently as President, Latin America. While at Baker Hughes, Inc., Mr. Larson served as Vice President, Operations for the Gulf of Mexico and Deepwater Business Development Manager. From 1990 until 1998, he served as operations manager and field engineer for Western Atlas, Inc. (which was acquired by Baker Hughes) in the United States and Venezuela. Mr. Larson also serves as the chairman of the Houston American Heart Association and serves on the boards of the American Petroleum Institute, the National Ocean Industries Association and the National Petroleum Council.

Mr. Lewis joined our Board of Directors in January 2021. Mr. Lewis has served as Chair of the NCG Committee since April 2022 and currently serves as a member of our Audit and Compensation Committees. Mr. Lewis has over 34 years of electric operations experience, having served as both Interim President as well as Senior Vice President, Electric Operations of Pacific Gas & Electric Corporation (“PG&E”), which filed for bankruptcy protection in 2019 and successfully emerged from bankruptcy in 2020. In these roles, Mr. Lewis oversaw all aspects of PG&E’s Electric Operations, including the company’s wildfire prevention and response efforts, longer-term grid resiliency initiatives, system-wide vegetation management work and emergency preparedness and response efforts. Mr. Lewis joined PG&E in 2018 and retired from PG&E in December 2020. Prior to joining PG&E, from 2016 to July 2018, Mr. Lewis served as Duke Energy’s Senior Vice President and Chief Distribution Officer, responsible for distribution operations across six states. Mr. Lewis previously served in increasingly more senior roles in electric transmission and distribution, including as Chief Transmission Officer at Duke Energy. He holds a bachelor’s degree in electrical engineering from the University of Florida and an MBA from Nova Southeastern University. He attended both the Advanced Management Program at Duke University and the Finance and Accounting for Non-Financial Management Program at the University of Pennsylvania Wharton School. In January 2021, Mr. Lewis was appointed and currently serves on the Board of Directors of Portland General Electric Company (NYSE: POR) as an independent director, as well as a member of the Board’s Compensation and Finance Committees. In October 2021, Mr. Lewis was appointed and currently serves on the Board of Directors of Osmose Utilities Services, Inc., as well a member of its Audit Committee. Additionally, in May 2023, Mr. Lewis was appointed and currently serves on the Board of Directors of Kinross Gold Corporation (NYSE:KGC), as well as a member of its Corporate Governance and Nominating Committee Corporate Responsibility and Technical Committee.

Ms. Meer joined our Board of Directors in March 2022. Ms. Meer has served as Chair of the Audit committee since May 2023 and currently serves as a member of our Compensation and NCG Committees. Ms. Meer is the co-founder of CoreMax Consulting (“CoreMax”), a woman-owned consulting firm focusing on clean energy strategic advisory services with expertise in structured finance, project management, analytics and IT technology. Ms. Meer has served as the Chief Executive Officer of CoreMax since its founding in 2011. She has extensive cleantech and energy transition experience, most recently serving as Chief Investment Officer and Chief Financial Officer from July 2019 to September 2020 of AlphaStruxure, an EaaS joint venture between The Carlyle Group and Schneider Electric, formed to develop and fund clean energy infrastructure. Prior to AlphaStruxure, she served as the Chief Executive Officer and U.S. Country Director from August 2018 to July 2019 of Dalkia U.S., the EDF Group’s U.S.-based building energy efficiency business (“Dalkia”), where she focused on building-centric energy efficiency, smart technologies and clean energy generation to drive rapid organic growth and acquisitions. She had previously served as Senior Vice President, Business and Corporate Development of Dalkia from August 2017 to July 2019. From January 2001 to July 2017 she held various positions, including creating and overseeing the public-private partnership and clean energy development and investment groups at Clark Construction Group, LLC. Ms. Meer began her career in investment banking at J.P. Morgan and has significant experience in corporate finance and mergers and acquisitions. She served from February 2021 to January 2025 as a Board member and Chairman of the Audit Committee of iSun, Inc., an engineering, procurement and construction company focused on solar, storage and electric vehicle services, which was acquired in September 2024 by Original Clean Energy, a subsidiary of Clean Royalties. As of 2021, Ms. Meer has served as Senior Strategic Advisor to CVC DIF and as a member of the Board of Directors of Bernhard, their portfolio company and one of the largest energy as a service companies. She previously served as a Member of the Executive Advisory Counsel at New Mountain Capital from February 2021 through June of 2023. Ms. Meer also serves as the Chair of The Penn Fund Executive Board of the University of Pennsylvania.

Mr. Mingé joined our Board of Directors in December 2017. Mr. Mingé currently serves as a member of our Audit, NCG and Compensation Committees. Mr. Mingé previously served as Chair of our Compensation Committee from May 2018 until April 2023. In June 2024, Mr. Mingé was appointed as the Interim Chief Operating Officer of Crescent Energy. Prior to that, Mr. Mingé retired as an employee of BP America, Inc. in December 2019, where he most recently served as chairman of a study by the National Petroleum Council into carbon capture utilization and storage technologies. From February 2013 to May 2018, he served as the Chairman and President of BP America, Inc., a subsidiary of BP plc (NYSE: BP), comprised of BP business units involved in exploration and production, refining, chemicals, supply and trading, pipeline operations, shipping and alternative energy. During his 37-year career with BP, Mr. Mingé held a variety of executive and engineering posts around the globe, including assignments as head of BP Alaska, head of BP’s Asia Pacific Exploration and Production Unit, president of BP Indonesia, and president of exploration and production for BP Vietnam and China. Mr. Mingé began his career with Standard Oil of Ohio in Cleveland, Ohio as a drilling research engineer and then served in varying positions of increasing responsibility throughout the United States, United Kingdom and Southeast Asia. From July 2019 and July 2022, Mr. Mingé served as a non-executive director for Proserv Group Parent LLC. Mr. Mingé is currently engaged in consulting and advisory services through JC Mingé Energy Services, LLC, and is engaged as a Senior Advisor to KKR and a Senior Advisor to McKinsey & Company. Additionally, Mr. Mingé currently serves as a non-executive director for Lynden, Inc. and as Chairman of the Washington State University Foundation.

Ms. Pederson joined our Board of Directors in July 2026. Ms. Pederson currently serves as a member of our Audit, NCG and Compensation Committees. Ms. Pederson has more than 30 years of corporate strategy, financial and corporate governance experience. Ms. Pederson served as a partner at Ernst & Young LLP (“EY”) from November 2014 until her retirement in December 2024, most recently leading EY’s Center for Board Matters, the firm’s corporate governance and board advisory practice, and previously serving as the leader of EY’s Americas Strategy Consulting practice. Earlier in her career, Ms. Pederson served as a Vice President at International Business Machines Corporation, where she led global strategic and technology transformation practices, and as a partner at PricewaterhouseCoopers, where she led various strategy consulting practices. Ms. Pederson has served as a director of SOBR Safe, Inc. (Nasdaq: SOBR) since May 2025, where she serves as chair of the nominating and corporate governance committee, and as a director of Eagle Bancorp, Inc. (Nasdaq: EGBN) and its subsidiary, EagleBank, since September 2025, where she serves as a member of the governance and nominating committee and the compensation committee. Ms. Pederson also serves as chair of the audit committee of the NFL Alumni Association, as a member of the board of the Colorado chapter of the National Association of Corporate Directors (“NACD”), and as a member of the NASDAQ Governance Council. She is an NACD certified director. Ms. Pederson earned a Master of Business Administration from Harvard Business School and a Bachelor of Arts from the University of California, Los Angeles.