216-676-2000 info@graftech.com

Executive Officers


David J. Rintoul

President & Chief Executive Officer


David J. Rintoul became President and CEO and was elected to the board of directors in March 2018. Prior to joining the Company, Mr. Rintoul served as President of U.S. Steel Tubular Products and as a Senior Vice President of United States Steel Corporation (or U.S. Steel). Before that, Mr. Rintoul has served in various roles at U.S. Steel since 2007, including oversight of U.S. Steel’s Slovak and Serbian operations.

Mr. Rintoul’s career in the steel industry spans 38 years with positions at both integrated and mini mill producers in the United States, Europe and Canada, including extensive mini-mill operational experience at North Star Bluescope Steel in Delta, Ohio from 2001 to 2005 and from construction through full operations at Acme Steel Company in Riverdale, Illinois from 1995 to 2001.

Mr. Rintoul holds an Associate’s degree in Mechanical Engineering Technology from Sault College of Applied Arts and Technology, a Bachelor’s degree in Business Administration from Lake Superior State University and a Master’s degree in Business Administration from the University of Notre Dame.

Quinn CoburnQuinn J. Coburn

Vice President & Chief Financial Officer

Quinn J. Coburn was appointed GrafTech’s Vice President and Chief Financial Officer in September 2015.  In this role, he oversees finance, investor relations, tax, and treasury for the company.

He has over 20 years of corporate finance, treasury, accounting, planning and analysis, tax, and corporate development experience.

Since joining GrafTech in 2010, he has also served as GrafTech’s Treasurer and Vice President of Finance.  Prior to joining GrafTech, Mr. Coburn served as Vice President and Treasurer of NCR Corporation.

Mr. Coburn holds an MBA from University of Pennsylvania’s The Wharton School and a Bachelor of Science in Accounting from Utah State University.