Karyn Ovelmen

Karyn Ovelmen is a Lead Independent Director of ArcelorMittal, and Chairwoman of the Appointment Remuneration and Corporate Governance Committee.

Background

From May 2023 to July 2025, she was Chief Financial Officer at Newmont, a company listed on the New York Stock Exchange. From November 2020 to July 2025, Mrs. Ovelmen served as a board member and on the Audit Committee of the Hess Corporation. From January 2019 to December 31, 2019, she was the Gas Power Transformation Leader at the General Electric Company. Prior to that, Mrs. Ovelmen served as Executive Vice President and Chief Financial Officer of Flowserve, a position that she held from June 2015 to February 2017. She also previously served as Chief Financial Officer and Executive Vice President of LyondellBasell Industries NV from 2011 to May 2015, as Executive Vice President and Chief Financial Officer of Petroplus Holdings AG from May 2006 to September 2010 and as Executive Vice President and Chief Financial Officer of Argus Services Corporation from 2005 to 2006. Prior to that, Mrs. Ovelmen was Vice President of External Reporting and Investor Relations at Premcor Refining Group Inc. She also spent 12 years with PricewaterhouseCoopers, primarily serving energy industry accounts.

Further information

Mrs. Ovelmen was a member of the Gates Industrial Corporation plc. Board of Directors as a non-executive director, sitting on their Audit Committee from December 2017 to March 2019. She holds a Bachelor of Arts degree from the University of Connecticut, USA, and is a Certified Public Accountant ("CPA").

Mrs. Ovelmen is a citizen of the United States of America.