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appointment notice

Sean Donnelly, President and CEO, ArcelorMittal

ArcelorMittal is pleased to announce the appointment of Sean Donnelly as President and CEO of ArcelorMittal Dofasco, based in Hamilton, Ontario. Over his 33-year career at ArcelorMittal Dofasco, Sean has held various leadership positions including Vice President, Manufacturing, Vice President Technology, Director Quality Systems & Manufacturing Technology General Manager, Market Development and Product Applications, New Product Development, Process Owner, Galvanize Technology Business Unit Manager and Operations Foreman.

Sean joined Dofasco in 1981 as a Production Engineer in Galvanize after graduating from Hamilton's McMaster University with a degree in Metallurgical Engineering. He is a member of several Boards, including McMaster University Board of Governors, McMaster Innovation Park and the Royal Botanical Gardens.


ArcelorMittal Dofasco is Canada's largest producer of flat carbon steel and is part of the world's largest steel and mining company. Headquartered in Hamilton, Ontario, the company's more than 5,400 employees are dedicated to being world class as they strive to transform tomorrow with lighter, stronger and more sustainable steel. Guided by a philosophy to produce safe, sustainable steel and with world-class research and development ArcelorMittal Dofasco is a leading supplier of quality steel in the automotive, construction, energy, packaging, and distribution sectors.

Learn more at dofasco.arcelormittal.com

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