Board of Directors

Michael “Mike” G. Rippey , Chief Executive Officer

Mike Rippey was elected as SunCoke’s President and CEO effective December 1, 2017. Since January 1, 2023, he remains SunCoke's Chief Executive Officer, focusing on strategic objectives and growth initiatives. He has been a Director on SunCoke's Board of Directors since December 1, 2017.

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.

Mr. Rippey 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. He currently serves on the Board of Directors of Olympic Steel, a leading U.S. metals service center, where he is a member of the Nominating Committee and serves as Chair of the Audit and Compliance Committee. In addition to ArcelorMittal USA, Mr. Rippey’s previous board experience includes the National Association of Manufacturers and the American Iron & Steel Institute, where he was a past Chairman of the Board.

Katherine Gates , President

Katherine Gates was elected as SunCoke's President, with general responsibility for management of SunCoke's operations, effective January 1, 2023, at which time she also was appointed as a Director on SunCoke's Board of Directors.

Ms. Gates joined SunCoke in February 2013, and she has been a member of the senior leadership team since 2015, when she was appointed as Senior Vice President, General Counsel and Chief Compliance Officer. She has held various positions of increasing responsibility since then, including her current role as Senior Vice President, Chief Legal Officer and Chief Human Resources Officer, since 2019. In addition, from October 2015 through June 2019, she served as a director of SunCoke Energy Partners GP LLC, the general partner of SunCoke Energy Partners, L.P., our former publicly traded master limited partnership subsidiary.

Ms. Gates began her legal career in private practice as a Partner at Beveridge & Diamond, P.C., where she served on the firm’s Management Committee, addressing budget, compensation, commercial, and other issues. She also co-chaired the civil litigation section of the firm’s Litigation Practice Group.

Arthur F. Anton , Non-Executive Chairman

In January 2021, Mr. Anton was appointed Non-Executive Chairman of SunCoke Energy, Inc. after serving as a Director since March 2020. During the course of his career, Mr. Anton has served in various senior roles at The Swagelok Company, a large fluid systems technology company, most recently as Chairman of the board from September 2017 to December 2019, and as Chief Executive Officer from 2004 to 2017. Before joining Swagelok in 2001, Mr. Anton was a Partner at the accounting and consulting firm of Ernst & Young LLP, where he consulted with companies in manufacturing, energy, service, and other industries. Mr. Anton currently serves as a director on the boards of the following companies: Olympic Steel, a leading U.S. metals service center, where he is the Lead Independent Director and a member of both the Audit and Compliance Committee, and the Compensation Committee; The SherwinWilliams Company, a major paint coatings manufacturer, where he serves as Chair of the Audit Committee; and Diebold Nixdorf, Incorporated, a leading manufacturer of automated teller, calculating, and accounting machinery, where he serves as Chair of the Finance Committee and is a member of the Audit Committee. Mr. Anton also serves as Chairman of University Hospitals Health System in the Cleveland, Ohio area.

Susan R. Landahl , Director

Ms. Landahl joined as a director of SunCoke Energy, Inc. effective September 1, 2017. From June 2015 until her retirement in January 2021, she has served as Senior Vice President, Organizational Effectiveness and Integrated Performance Assessment of Exelon Generation Company, LLC, a subsidiary of Exelon Corporation. Since joining Exelon in 1999, Landahl has held a number of senior leadership positions, including Senior Vice President, Operations Integration & Business Development from August 2012 to January 2014, and Chief Operating Officer & Senior Vice President, Exelon Nuclear from June 2010 to August 2012. Ms. Landahl is a current member of the Advisory Committee for the Future of Nuclear Study.

Martha Z. Carnes , Director

Ms. Carnes was appointed as a director of SunCoke Energy, Inc. in December 2019. Ms. Carnes has served in various senior roles at Pricewaterhouse Coopers, or PwC (an international accounting firm), including as: (i) Assurance Partner serving large, publicly traded companies in the energy industry; (ii) Managing Partner of PwC's Houston, Texas office; and (iii) PwC's Energy and Mining leader for the United States, where she led the firm's energy and mining assurance, tax and advisory practices. She currently serves as a director on the Supervisory Board of Core Laboratories N.V., a Netherlands company (one of the world's largest providers of reservoir description and production enhancement services to the oil and gas industry), where she is Chairman of the Audit Committee. She is also a director of Matrix Service Company (a provider of design, engineering, construction, repair and maintenance services to industrial and energy clients in North America), where she Chairs the Audit Committee and serves on the Compensation, and Nominating and Corporate Governance committees.

Ralph M. Della Ratta, Jr. , Director

Mr. Della Ratta was appointed as a director of SunCoke Energy, Inc. in December 2020. He brings valuable business and financial experience to the Board, particularly with regard to capital raising, commercial banking, mergers and acquisitions, strategic financial analysis and capital markets transactions. From 2004 to 2017, he was Founder, Senior Managing Director and Chief Executive Officer of Western Reserve Partners LLC, a Cleveland, Ohio based investment banking merger and acquisition advisory firm. The firm was acquired in 2017 by Citizens Financial Group, a large commercial banking institution. Since the acquisition, Mr. Della Ratta has served as Co-Head of Merger and Acquisition Advisory Services for Citizens Financial Group Inc., leading a team focused on delivering M&A services and related financial analysis to middle-market customers. Mr. Della Ratta also has knowledge of manufacturing and distribution in the steel and metals services industry.

From 2004 to 2020, he served on the Board of Olympic Steel, Inc., a leading U.S. metals service center where he was Lead Independent Director, a member of the Audit and Compliance Committee and, at different times, served as Chair of the Compensation Committee, and Chair of the Nominating Committee. Mr. Della Ratta is involved in numerous non-profit and civic organizations ., including: The Duke University Alumni Association and Annual Fund, Kent State University Board of Trustees (past Chair), The Ohio Venture Capital Authority, The Rock and Roll Hall of Fame, and United Cerebral Palsy Telethon (Chair).

Michael W. Lewis , Director

Mr. Lewis was appointed as a director of SunCoke Energy, Inc. in December 2020. He is an experienced banking executive who has spent over40 years in the financial services industry with business line responsibility. He provides senior management-level strategic planning, business development and managerial expertise to the Board. During the course of his career, Mr. Lewis has risen through progressively responsible senior leadership positions at BMO Harris Bank, N.A. (a large U.S. banking institution and subsidiary of Bank of Montreal, the Canadian multinational investment bank and financial services company) and, from 1998 until his retirement in 2013, Mr. Lewis was Executive Vice President, and Chicago metro regional president. His responsibilities have included strategic integration and management of business segments across the regional network of BMO Harris branches, as well as growing the bank’s commercial and retail business, community development and consumer loans and services. Mr. Lewis is an active member of Chicago’s business and civic communities and has served on several boards, including the Chicago Regional Transportation Authority, the Urban Partnership Bank (afull-service community development bank), and Chicago United (a corporate membership and advocacy organization promoting economic opportunities by advancing multiracial leadership in corporate governance, executive level management, and business diversity).

Andrei A. Mikhalevsky , Director

Mr. Mikhalevsky was appointed as a director of SunCoke Energy, Inc., effective February 23, 2023. He is the former President and Chief Executive Officer of California Dairies, Inc., a leading milk marketing and processing cooperative co-owned by 390 dairy producers supplying 17 billion pounds of milk products annually. Mikhalevsky has more than 40 years of leadership experience. Prior to California Dairies, Inc., he served as managing director of global ingredients and foodservices at Fonterra Cooperative Group Ltd., the world's largest dairy exporter. In this role, Mr. Mikhalevsky was responsible for developing and building many of Fonterra's global customer partnerships. In addition, he oversaw Fonterra's research and innovation division and its branded business in Latin America. Previously, Mr. Mikhalevsky held senior executive positions at Campbell Soup Company, Georgia Pacific Corp. and Symrise Inc. He has been affiliated with numerous food & dairy industry-related boards, trade associations, and charitable boards, including SmithFoods, where he has served as a Director since 2017. He was an Executive Board Member of the International Dairy Foods Association, and Chairman of the Ingredient Committee from 2014 to 2021. Previous industry-related board experience includes: Dairy America, Board Member from 2012 to 2020 and Chairman from 2018 to 2020; The National Milk Producers Federation, Board Member and Delegate (2019 to 2020); Challenge Food Products, Board Chairman (2012 to 2019); the U.S. Dairy Export Council, Board Member, Operating Committee (2011 to 2019); and the Dairy Innovation Center, Board Member (2011 to 2019).

Mr. Mikhalevsky is a highly experienced senior-level executive, with global manufacturing and marketing expertise, as well as senior-level strategic planning and business development experience. He has been significantly engaged in trade advocacy efforts and legislative efforts in Washington D.C. and has testified before congressional committees and subcommittees. In addition, he has extensive board-level oversight experience as a director of several large private companies and industry associations.

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