Timothy Go

Chief Executive Officer

Timothy Go was appointed Chief Executive Officer of Calumet Specialty Products Partners, L.P. in January, 2016.  As the CEO of Calumet, Mr. Go leads the strategic growth and development of the Partnership and is responsible for the Company’s financial and operating performance.  Mr. Go has more than 25 years of experience serving in executive-level roles at leading global energy companies operating in the petroleum refining and specialty products markets.  Previously, Mr. Go served as vice president, operations and as vice president, operations excellence at Flint Hills Resources, L.P., a wholly-owned subsidiary of Koch Industries, Inc.  Mr. Go also served on the Board of Directors of Koch Pipeline Company for seven years. Earlier in his career, Mr. Go was employed at Exxon Mobil Corporation for nearly 20 years, where he served in various operational leadership capacities and strategic planning roles.  Mr. Go earned his B.S. in Chemical Engineering from the University of Texas at Austin.

D. West Griffin

Executive Vice President & Chief Financial Officer

Mr. D. West Griffin was appointed Executive Vice President & Chief Financial Officer (CFO) in January, 2017.  As CFO, Mr. Griffin is responsible for all financing and capital markets activities, as well as overseeing the internal finance, accounting and IT functions  Mr. Griffin joined Calumet most recently from Energy XXI, a publicly listed energy E&P company where he was one of the three founders and also served as Chief Financial Officer from 2005 to 2014. Prior to joining Energy XXI, Mr. Griffin served as CFO at Alon USA, a refining and marketing company, and as CFO of InterGen North America, a joint venture between Shell and Bechtel.   Mr. Griffin began his career as an investment banker, working for both BT Securities and UBS. Mr. Griffin received his Bachelor’s in Engineering degree as well as his MBA from Dartmouth College. 

Bruce A. Fleming

Executive Vice President - Strategy and Growth

Bruce A. Fleming was named to the newly created role of Executive Vice President of Strategy and Growth effective March 21, 2016.  Mr. Fleming has more than 30 years of experience leading growth initiatives, business development and strategic acquisition advisory services for global energy companies.  From December 2004 through March 2016, Mr. Fleming served as the Vice President of Mergers & Acquisitions at Tesoro Corporation and as an officer of Tesoro Companies Inc.  From January 1997 through December 2004 he served as Managing Director of Hong Kong-based Orient Refining Ltd., and from November 1981 through December 1996 he held senior operations, business development and planning roles with Amoco Oil and Amoco Corporation where he was most recently Vice President China Business Development.  Mr. Fleming earned a Ph.D. in chemical engineering from Princeton University and a B.S. in chemical engineering from the University of Delaware.  He is a member of the Board of M&A Standards.

William A. Anderson

Executive Vice President - Sales

William A. Anderson has served as executive vice president — sales of our general partner since October 2014.  From October 2012 through October 2014, Mr. Anderson served as vice president — marketing and new products.  From September 2005 through September 2012, Mr. Anderson served as vice president — sales of our general partner.  Mr. Anderson served as vice president — sales and marketing of our Predecessor from 2000 until our initial public offering and served in various other capacities from 1993 to 2000. Mr. Anderson received his B.A. in Communications from DePauw University.

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