Management Team

Michael “Mike” G. Rippey , President and Chief Executive Officer

Mike Rippey was appointed as SunCoke’s President and CEO effective December 1, 2017, at which time he was also appointed a Director of the SunCoke Energy Board of Directors.

Mr. Rippey is an accomplished senior executive with a wealth of finance, sales, operations and management experience in the metals industry. Prior to joining SunCoke, Mike was Senior Advisor to Nippon Steel & Sumitomo Metal Corporation (a leading global steelmaker). From 2014 to 2015, he served as Chairman of the Board of ArcelorMittal USA (a major domestic steel manufacturer) and from 2006 to 2014 he was its President and Chief Executive Officer. Prior to that, he served in a number of increasingly senior financial, commercial and administrative leadership roles at ArcelorMittal and its predecessor companies.

Mike earned his Bachelor’s degree in marketing from Indiana University, a Master’s degree in banking and finance from Loyola University and his MBA from the University of Chicago. Mike currently serves on the Board of Directors of Olympic Steel.

Katherine Gates , Senior Vice President, Chief Legal Officer and Chief Human Resources Officer

Katherine Gates was appointed Senior Vice President, Chief Legal Officer and Chief Human Resource Officer effective November 14, 2019. Prior to that she was Senior Vice President, General Counsel and Chief Compliance Officer of SunCoke Energy, Inc. since October 22, 2015. In both of these roles Ms. Gates led the Company’s environmental and sustainability function, including all Environmental, Social, and Governance matters. Ms. Gates joined SunCoke in February 2013 as Senior Health, Environment and Safety Counsel. She was promoted to Vice President and Assistant General Counsel in July 2014, where she focused on litigation, regulatory and commercial matters. Ms. Gates began her legal career in private practice as a Partner at Beveridge & Diamond, P.C. She served on the firm’s Management Committee, where she addressed budget, compensation, commercial, and other issues. Ms. Gates also co-chaired the civil litigation section of the firm’s Litigation Practice Group. In addition, from October 2015 through June 2019, Ms. Gates served as a director of SunCoke Energy Partners GP LLC, the general partner of our former master limited partnership subsidiary SunCoke Energy Partners, L.P.

P. Michael “Mike” Hardesty , Senior Vice President, Commercial Operations, Business Development, Terminals and International Coke
SunCoke Energy, Inc.

Mike Hardesty joined SunCoke Energy, Inc. in 2011 as Senior Vice President, Sales and Commercial Operations, and has more than 30 years of experience in the mining industry.

Before joining SunCoke, Hardesty served as Senior Vice President for International Coal Group, Inc. (ICG), where he was responsible for leading the sales and marketing functions and was a key member of the executive management team.

Prior to ICG, Hardesty served as Vice President of Commercial Optimization at Arch Coal, where he developed and executed trade strategies, optimized production output and directed coal purchasing activities.

Hardesty received his bachelor’s degree in Accounting from the University of Kentucky. He is a past board member and Secretary-Treasurer of the Putnam County Development Authority in West Virginia.

John Quanci , Vice President, Chief Technology Officer

Dr. Quanci joined SunCoke Energy, Inc. in October, 2010, and was appointed to his current position as Vice President, Chief Technology Officer in May 2019. Prior to joining SunCoke, Dr. Quanci was Director, Corporate Technology of Sunoco, Inc. (a leading transportation fuel provider with interests in logistics). He has over 30 years of domestic and international experience in process research, development, plant optimization, manufacturing, rebuilding/turnarounds, and taking new technologies from ideation to full production. Over the course of his career, Dr. Quanci has managed several major engineering and technology organizations both internal and external to the petroleum industry, including those of: Mobil Research, Mobil Oil, BP/Mobil, Exxon/Mobil, Rodel and Rohm and Haas Electronic Materials (now DuPont Electronic Materials). Dr. Quanci holds a Ph.D. in Chemical Engineering from Princeton University and is a registered Professional Engineer with over one hundred U.S. and international patents and patent applications.

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