Terrestrial Energy names David Williams as chief commercial officer

Terrestrial Energy Inc. (Nasdaq: IMSR) has appointed David Williams as chief commercial officer, effective October 19, 2026, according to a company statement. Williams will be based at the company's Charlotte, N.C., headquarters and report to CEO Simon Irish.

Williams brings four decades of experience in the power sector. Most recently, he served as vice president of commercial nuclear business development at Kiewit Nuclear Solutions, where he worked on small modular and large reactor projects across North America. Before that, he spent 15 years at Fluor Corporation, ultimately as vice president of sales for its global power business, leading negotiations on multibillion-dollar agreements for new nuclear power projects. He began his career in nuclear design engineering at Duke Power.

"David is a nuclear and power industry veteran with extensive project experience, connecting utilities, operators, developers and engineering contractors to deliver and commission power plants," said Irish.

In his new role, Williams will lead customer, partnership and contracting strategy, working to advance commercial opportunities into Integral Molten Salt Reactor (IMSR) plant projects and expand the company's project pipeline with utilities, industrial energy users and project developers.

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