Williams names new COO
April 28, 2025
Replacement for Michael Dunn, who is retiring
Williams announced that Larry Larsen has been appointed executive vice president and chief operating officer, effective May 3. He will oversee all aspects of the company’s transmission, storage, and gathering and processing operations.
Larsen succeeds Micheal Dunn, who announced his planned retirement last month. Larsen currently serves as Williams’ senior vice president of gathering and processing.

“Larry’s deep understanding of Williams’ operations and natural gas focused strategy make him the ideal candidate for our next COO, ensuring a seamless transition and continuity in leadership,” said Alan Armstrong, president and CEO of Williams. “He brings a depth of experience and knowledge that will allow us to continue optimizing our operations to enhance Williams’ competitive advantage and advance the execution of our long-term growth strategy.”
Larsen joined Williams in 1999, beginning his career within the Northwest Pipeline franchise. He later served as vice president of Central Services, leading supply chain, commodity services, marketing, measurement, and pipeline control functions. In 2018, he became vice president-general manager for the Rocky Mountain Midstream franchise and was responsible for commercial activities and operations in the region.
In 2020, Larsen was named vice president of strategic development, leading corporate strategy, market intelligence, and corporate development efforts. He has served as senior vice president of gathering and processing since 2022, managing Williams’ onshore gathering and processing, NGL transmission, storage, and fractionation businesses.
Larsen holds a Bachelor of Science degree in mechanical engineering from the University of Utah.
Williams operates a 33,000-mile pipeline network and transports about one-third of the natural gas consumed in the United States.
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