Calumet 公司 CLMT

odd Borgmann has served as President and Chief Executive Officer of the Company since July 2024. He previously served as Chief Executive Officer of the General Partner from May 2022 to July 2024. From February 2021 until May 2022, Mr. Borgmann served as Executive Vice President-Chief Financial Officer of the General Partner. Mr. Borgmann has over 15 years of experience with Calumet, serving the Company across a diverse set of management roles. For the five years preceding his appointment to Executive Vice President-Chief Financial Officer, Mr. Borgmann served as Senior Vice President-Chief Financial Officer, Senior Vice President-Interim Chief Financial Officer, and Vice President of Supply & Trading, developing extensive knowledge of petroleum markets, refining operations, and risk management. Mr. Borgmann has also served as the Vice President of Business Development of the Company and Director of the Company's White Oils and Petroleum sales. Mr. Borgmann holds a Bachelor of Science in Industrial Engineering from Purdue University and a Master of Business Administration from the University of Notre Dame.

David Lunin was named Executive Vice President - Chief Financial Officer of the Company effective January 2024. He joined the Company in September 2023 as Executive Vice President, CFO Designate. Prior to joining the Company, Mr. Lunin served in progressive roles with Goldman Sachs & Co. LLC (Goldman Sachs) from July 2010 to May 2023, most recently serving in the position of Managing Director. Prior to Goldman Sachs, he served as Research Associate with Cornerstone Research and Associate with LECG, LLC. Mr. Lunin holds a Bachelor of Business Administration from George Washington University, a Master of Arts in Applied Economics from Johns Hopkins University, and a Master of Business Administration from Columbia Business School.

Stephen P. Mawer has served as Chair of the Board since July 2024 and previously served on the board of the General Partner from March 2016 to July 2024, including as chair of the board of the General Partner from January 2023 to July 2024. From May 2022 until December 2022, Mr. Mawer served in the role of Executive Chair of the Company. From April 2020 until May 2022, Mr. Mawer served as the Chief Executive Officer of the Company. He retired as president of Koch Supply & Trading in 2014 following a 27-year career in commodities trading, risk management and refining operations. While at Koch, Mr. Mawer led global commodities trading and served as a senior member of the Koch Industries management team. Mr. Mawer holds Bachelor and Master degrees in Chemical Engineering from the University of Cambridge, England. Currently, he serves as a member of the board of directors at Zenith Energy Management and Howard Energy Partners, both of which are midstream companies, chair of the board of directors of ClimeCo Corporation, an environmental commodities development and management company, and on the advisory board of Entara Partners, a leading global asset manager of refining infrastructure. Since December 2025, Mr. Mawer has served a member of the advisory board of The Heritage Group. He previously served as a member of the advisory board of Heritage Environmental Services.

Paul C. Raymond III has served as a member of the Board since July 2024 and previously served on the board of the General Partner from November 2020 to July 2024. Mr. Raymond brings over three decades of industry experience, which includes serving in his current role of Chief Executive Officer of Monument Chemical, a privately held chemical company, since July 2020, and previously as President and Chief Executive Officer of Sonneborn, LLC from 2012 to 2019. Mr. Raymond holds a Bachelor of Science in Chemical Engineering from Rice University and a Doctor of Philosophy in Chemical Engineering from the University of Texas at Austin.

Amy M. Schumacher has served as a member of the Board since July 2024 and previously served on the board of the General Partner from September 2014 to July 2024. Ms. Schumacher has been part of The Heritage Group since 2003, working in various capacities and leading a variety of growth projects along the way. In 2008, Ms. Schumacher founded Monument Chemical and served as President and Chief Executive Officer for eight years. In 2016, Ms. Schumacher transitioned to President of The Heritage Group and was appointed Chief Executive Officer in 2020. From 1998 to 2003, Ms. Schumacher served as a consultant with Accenture. Ms. Schumacher holds a Bachelor of Science in Civil Engineering from Purdue University and a Master of Science in Management from the Massachusetts Institute of Technology Sloan School. Ms. Schumacher currently serves as Chief Executive Officer and a trustee for The Heritage Group and sits on a number of private subsidiary boards. Ms. Schumacher is the daughter of Fred M. Fehsenfeld, Jr., the former chair of the board of the General Partner.

John (Jack) G. Boss has served as a member of the Board since July 2024 and previously served on the board of the General Partner from August 2022 to July 2024. Mr. Boss brings over 40 years of experience to the Board of Calumet. He currently serves on the boards of directors of Cooper-Standard (NYSE: CPS), Wabash National (NYSE: WNC) and Libbey, Inc. Most recently, he was the President and Chief Executive Officer of Momentive Performance Materials, a specialty chemicals and materials business from 2014 until 2020. Prior to this role, Mr. Boss served in the role of President of Honeywell Safety Products from 2012 to 2014. Mr. Boss held various managerial roles within Honeywell's Specialty and Chemicals businesses from 2003 through 2014. Prior to Honeywell, Mr. Boss served as Vice President at Great Lakes Chemical Corporation. Mr. Boss holds a Bachelor of Science in Mechanical Engineering from West Virginia University and a Master of Business Administration from Rutgers University.

Karen A. Twitchell has served as a member of the Board since July 2024 and previously served on the board of the General Partner from August 2022 to July 2024. In 2025, Ms. Twitchell was appointed by the Board's independent directors to serve as the Board's Lead Independent Director. Ms. Twitchell brings more than a dozen years of Board experience and 30 years of executive experience to the Board of Calumet. She is also on the Board of HMTX Industries. Previously, Ms. Twitchell was chair of the board of directors of Trecora Resources (NYSE: TREC), a petrochemical and specialty wax manufacturer, until the sale of the company in June 2022. Previously, she also served on the board of directors of Kraton Corp. and KMG Chemical, both specialty chemical companies. From 2010 to 2013, Ms. Twitchell was Executive Vice President and Chief Financial Officer of Landmark Aviation, a private equity-backed fixed base operator for the aviation industry. Prior to 2010, Ms. Twitchell was Vice President and Treasurer of LyondellBasell Industries/Lyondell Chemical Company. Ms. Twitchell has also held senior management positions in the aluminum and cement manufacturing industries. Ms. Twitchell holds a Bachelor of Arts in Economics from Wellesley College and a Master of Business Administration from Harvard Business School.

Daniel J. Sajkowski has served as a member of the Board since July 2024 and previously served on the board of the General Partner from September 2014 to July 2024. Mr. Sajkowski served as Executive Vice President, Growth and New Ventures of The Heritage Group, a privately held business managing a diverse portfolio of operating companies in heavy construction and materials, from 2013 until his retirement in 2025. He currently serves on the Advisory Board of Trident Consulting. Prior to joining The Heritage Group, Mr. Sajkowski was the Senior Director-Downstream Technology at Sapphire Energy from 2010 until 2013. From 2004 to 2010, Mr. Sajkowski served as business unit leader at BP's Whiting, Indiana refinery. During his career with BP/Amoco, Mr. Sajkowski also held positions as the Manager of Integrated Supply and Trading from 2002 until 2004 and Vice President of Refining Technology from 2000 until 2002. Mr. Sajkowski holds Bachelor of Science and Master of Science degrees in Chemical Engineering from the University of Michigan and a Doctor of Philosophy in Chemical Engineering from Stanford University. He also completed The General Manager Program at Harvard University.

Julio Quintana served as President and Chief Executive Officer and member of the board of directors of Tesco Corporation, an oilfield services company, from 2005 until his retirement in 2015. Prior to his appointment as President and Chief Executive Officer of Tesco, Mr. Quintana served as Executive Vice President and Chief Operating Officer. Prior to joining Tesco, Mr. Quintana worked for Schlumberger Corporation, an oilfield services company, from 1999 to 2004 as Vice President of Integrated Project Management and Vice President of Marketing for the Americas. Prior to Schlumberger, Mr. Quintana worked for nearly 20 years for Unocal Corporation, an integrated exploration and production company, in various operational and managerial roles. Mr. Quintana holds a Bachelor of Science in Mechanical Engineering from the University of Southern California. Mr. Quintana currently serves on the board of directors of Newmont Corporation (NYSE: NEM), where he is a member of the Corporate Governance and Nominating Committee and chair of the Leadership Development and Compensation Committee. He also serves as chair of the board of directors and member of the Sustainability and Governance Committee of SM Energy Company (NYSE: SM). Mr. Quintana previously served on the board of directors of California Resources Corporation from 2020 until 2024 and Basic Energy Services from 2016 until 2021.

Subject to his election at the Annual Meeting, Mr. Sanders will be appointed as a member of the Risk Committee and the Strategy and Growth Committee. Bradford T. Sanders currently serves as an advisor to the Chief Executive Officer of US Development Group, a developer, builder, operator and manager of energy-related midstream infrastructure and logistics services. Mr. Sanders has held this position since September 2023. In May 2014, Mr. Sanders joined US Development Group as Executive Vice President, Head of Market Strategy, and he became Chief Commercial Officer in October 2014, working with leadership teams to identify and execute strategic commercial opportunities. Prior to joining US Development Group, Mr. Sanders spent 32 years at Koch Industries, where he built and led trading and commercial businesses spanning crude oil, natural gas liquids, refined products, gasoline components, plastics, and ethanol. Mr. Sanders advises boards and executives on strategy, capital allocation, governance, and risk management. He holds a Bachelor of Science in Business from the University of Kansas and serves on the University of Kansas Board of Trustees, where he serves on the Investment Committee.

On May 21, 2025, Calumet, Inc. announced that the Board of Directors of the Company has appointed John R. Krutz to serve as the Company's Chief Accounting Officer and principal accounting officer, effective May 21, 2025. Prior to serving in his current role, Mr. Krutz served as the Chief Financial Officer of Acculevel, Inc. from January 2024 to May 2025. From May 2018 through January 2024, he served in various leadership roles with CliftonLarsonAllen, where he was most recently Principal- Consulting and Accounting Solutions Team. From November 2005 through May 2018, Mr. Krutz served in progressive leadership roles with Calumet Specialty Products Partners, L.P., most recently in the role of Vice President- Finance.