References to “Predecessor” on this site refer to Calumet Lubricants Co., Limited Partnership and its subsidiaries, the assets and liabilities of which were contributed to Calumet Specialty Products Partners, L.P. and its subsidiaries upon the completion of our initial public offering in 2006. References on this site to “our general partner” refer to Calumet GP, LLC, the general partner of Calumet Specialty Products Partners, L.P.
Fred M. Fehsenfeld, Jr.
Fred M. Fehsenfeld, Jr. has served as the chairman of the board of our general partner since September 2005. Mr. Fehsenfeld also served as the vice chairman of the board of our Predecessor from 1990 until our initial public offering. Mr. Fehsenfeld has worked for The Heritage Group in various capacities since 1977 and has served as its managing trustee since 1980. Mr. Fehsenfeld received his B.S. in mechanical engineering from Duke University and his M.S. in management from the Massachusetts Institute of Technology Sloan School.
As co-founder of our Predecessor, Mr. Fehsenfeld has an extensive knowledge base regarding the Company’s operations and has participated in all major strategic decision making for the Company and our Predecessor since their inception. In his role as managing trustee of The Heritage Group, Mr. Fehsenfeld serves in lead executive roles, including the role of chairman and chief executive officer, for a multitude of different companies within The Heritage Group, providing a breadth of experience in leadership and management across a wide variety of industries, including energy. Since 2008, Mr. Fehsenfeld has served as chairman of the board of directors of Heritage-Crystal Clean, Inc., a publicly-traded environmental services company which is owned in part by The Heritage Group. Mr. Fehsenfeld is the father of Amy M. Schumacher, member of the board of directors of our general partner.
Stephen P. Mawer
Stephen Mawer has served as chief executive officer of our general partner since April 2020 and joined our Board of Directors in early 2016. He brings nearly three decades of industry experience, which includes serving as president of Koch Supply & Trading and as a senior member of Koch Industries management team. Mr. Mawer brings extensive knowledge of petroleum markets, refining operations and economics, supply/marketing optimization and risk management. Mr. Mawer sits on the Board of Directors at both ClimeCo Corporation and Zenith Energy and serves as a member of the advisory board of Heritage Environmental Services. Mr. Mawer holds both a B.S. and M.S. in chemical engineering from the University of Cambridge, England.
James S. Carter
James S. Carter has served as a member of the board of directors of our general partner since January 2006. Mr. Carter worked in various capacities at ExxonMobil including vice president of U.S. marketing and sales of fuels and specialty products, manager of U.S. refining and marketing planning and analysis, manager of U.S. distribution activities, analysis manager of ExxonMobil International, and advisor to ExxonMobil headquarters for European refining and marketing until his retirement in 2003. Mr. Carter is a member of the Association of Audit Committee Members, Inc. Mr. Carter received his B.S. in mechanical engineering from Clemson University and his M.B.A. in finance and accounting from Tulane University.
Mr. Carter brings extensive marketing and managerial experience with one of the largest integrated energy companies in the world. He possesses a broad background in petroleum products marketing, with specific experience in the marketing of fuel products.
Amy M. Schumacher has served as a member of the board of directors of our general partner since September 2014. Ms. Schumacher has served as the president of Monument Chemicals, Inc. and Haltermann Solutions since 2010. In addition, in July 2016, Ms. Schumacher assumed the role of president of The Heritage Group. Prior to joining Monument Chemicals, Inc. and Haltermann Solutions, Ms. Schumacher worked in various capacities for The Heritage Group leading a variety of growth projects from 2003 until 2010. From 1998 to 2003, Ms. Schumacher was a consultant with Accenture. Ms. Schumacher received her B.S. in civil engineering from Purdue University and her M.S. in management from the Massachusetts Institute of Technology Sloan School. Ms. Schumacher currently serves as 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 chairman of the board of our general partner.
Ms. Schumacher has extensive managerial experience including planning and strategy. She possesses a broad background within the chemicals industry, with specific experience in strategic growth projects.
Robert E. Funk
Robert E. Funk has served as a member of the board of directors of our general partner since January 2006. Mr. Funk previously served as vice president — corporate planning and economics of CITGO Petroleum Corporation, a refiner and marketer of transportation fuels, lubricants, petrochemicals, refined waxes, asphalt and other industrial products, from 1997 until his retirement in December 2004. Mr. Funk previously served CITGO or its predecessor, Cities Services Company, as general manager — facilities planning from 1988 to 1997, general manager — lubricants operations from 1983 to 1988 and manager — refinery east, Lake Charles refinery from 1982 to 1983. Mr. Funk received his B.S. in chemical engineering from the University of Kansas.
Mr. Funk has extensive refining industry experience including planning, operations and managerial roles for a large multinational refining company. His broad background of experience provides helpful insight to the Company in its implementation of strategic initiatives and its refinery operations in general.
Daniel J. Sajkowski
Daniel J. Sajkowski has served as a member of the board of directors of our general partner since September 2014. Mr. Sajkowski has served as executive vice president, growth and new ventures of The Heritage Group since 2013. 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 earned his B.S. and M.S. degrees in chemical engineering from the University of Michigan and a Ph.D. in chemical engineering from Stanford University. He also completed the General Manager Program at Harvard University.
Mr. Sajkowski has extensive refining industry experience including planning, operations and managerial roles for a large multinational refining company. His broad background of experience provides helpful insight to the Company in its implementation of strategic initiatives and its refinery operations in general.
Daniel L. Sheets
Daniel L. Sheets served as Corporate Senior Vice President and President of Lubrizol Additives. He joined Lubrizol in 1984. He held a variety of sales, sales management, business and general management roles, including involvement in several acquisitions, which lead to a three-year assignment in Germany. From 2005 to September 2008, Mr. Sheets served as Vice President of Sales for Lubrizol Additives. Prior to that, he was Vice President for Engine Additives and also served as Global Business Manager for Fuels, Refinery and Oilfield Products.
Mr. Sheets earned a B.S. in electrical engineering from Pennsylvania State University in 1979. He has been involved with various industry organizations including the American Chemistry Council’s Petroleum Additives Panel.
Mr. Sheets has been a supporter of Cleveland- based Breakthrough Charter Schools and previously was board chair for several schools. Mr. Sheets also sponsors scholarships for students at Pennsylvania State University. He also served as a trustee of the Lubrizol Foundation.
Paul Raymond has served as a member of the board of directors of our general partner since November 2020. He brings over three decades of industry experience, which includes serving in his current role of chief executive officer of Monument Chemical and previously as president and chief executive officer of Sonneborn, LLC. Mr. Raymond brings extensive specialty chemicals knowledge and strategic insights, and his impressive track record leading and growing similar businesses makes him a terrific asset to the Partnership's board of directors. Mr. Raymond holds a B.S in chemical engineering from Rice University and earned his Ph.D. in chemical engineering from the University of Texas at Austin.
Jennifer Straumins currently serves as the Chair of specialty petroleum manufacturing, marketing and distribution company Maverick Performance Products. In addition to her role with Maverick, Ms. Straumins serves as a director on the board of Wincoram Asset Management, LLC. Prior to her current roles with both Maverick Performance Products and Wincoram Asset Management, Ms. Straumins served the Partnership in a number of executive roles, most recently as President and Chief Operating Office of the Partnership, a role she held from 2011 to 2015. Prior to her roles with the Partnership, Ms. Straumins held financial planning positions with Great Lakes Chemical Company as well as Exxon Chemical Company. Ms. Straumins received a B.E. in Chemical Engineering from Vanderbilt University and an M.B.A. from the University of Kansas.
Ms. Straumins was selected by the Grube Family Group as their appointee to the Board pursuant to their rights as minority owners under the Company’s Operating Agreement. Ms. Straumins brings extensive managerial and executive experience to the board of directors of Calumet, having served the Partnership and other companies in the petrochemical industry over her 25 year career.