John MacDiarmid

John Hugh MacDiarmid is currently Chairman at Terrestrial Energy, Inc. (Old) since 2014, Independent Director at Terrestrial Energy, Inc. starting 2025, Director at ALH II, Inc. since 2007, Independent Director at Triumph Gear Systems – Toronto ULC since 2013, Independent Director at Pinnacle Renewable Energy, Inc. since 2018, and President at Visex.
Former positions include Chief Executive Officer at Laidlaw Transit, Inc. from 2003 to 2005, President & Chief Executive Officer at Lumonics, Inc. from 1987 to 1990, President & Chief Executive Officer at Atomic Energy of Canada Ltd. from 2008 to 2011, Director at SeaCube Container Leasing Ltd. from 2013 to 2023, Director at BWXT Canada Ltd., Associate & Principal at McKinsey & Co., Inc. from 1979 to 1987, and Executive Vice President at Canadian Pacific Railway Co. from 1995 to 2001.
Education includes an MBA from Stanford University conferred in 1979 and an undergraduate degree from Richard Ivey School of Business conferred in 1974.