Williams Announces Executive Management Changes
- President and CEO Alan Armstrong to become Executive Chairman, effective July 1, 2025
- Executive Vice President Chad Zamarin named President and CEO, effective July 1, 2025

Williams President and CEO Alan Armstrong will become executive chairman of the Williams Board of Directors effective July 1, 2025.
Bergstrom expressed the board's support for this transition, stating, "Alan’s remarkable leadership and commitment to the mission, vision and values of Williams has been fundamental to the company’s success. On behalf of the board of directors and the entire company, we extend our heartfelt appreciation to Alan for his exceptional leadership as president and CEO for the past 14 years and for his dedication to Williams during his nearly four decades of service. This transition is the result of a thoughtfully planned, multi-year succession process, and the board and I are confident that
Armstrong began with Williams as an engineer nearly 40 years ago and has served the company with extraordinary dedication. Under his leadership, Williams achieved significant milestones, including remarkable growth and success. Notably, Armstrong honed the company’s natural gas focused strategy, with an emphasis on expanding Williams' natural gas transmission, storage, gathering and processing infrastructure. Armstrong has been a strong advocate and leading voice for the natural gas industry, currently serving as chair of the National Petroleum Council and as a founding member of Natural Allies for a Clean Energy Future.
"As I look at where the company is today, Williams is excelling on all fronts thanks to a strong and energized organization that is very passionate and dedicated to our strategy and to doing the right thing. I have seen first-hand what this company can accomplish and overcome, and I am confident our best chapters are still ahead as demand for natural gas continues to accelerate and the value of our critical energy infrastructure is realized,” said Armstrong. “Since joining Williams,
Zamarin's experience in the energy industry, coupled with his deep understanding of and commitment to Williams’ strategic direction, complement his appointment to this new role. Since joining Williams in 2017, he has led the company’s expansion by guiding the corporate strategy process, delivering strategic acquisitions and providing commercial leadership across the company’s various businesses, geographies and customers. Under his leadership, the New Energy Ventures team has led the industry with innovative energy solutions, and its Power Innovation group is delivering speed-to-market solutions for growing data center demand.
“I am humbled to take on this new role as Williams’ president and CEO,” said Zamarin. “The story of Williams is that of one of the greatest American companies. Our company’s more than one-hundred-year track record of tackling some of the most complex infrastructure challenges is inspiring, and I look forward to building on that foundation. Alan has been an amazing mentor, leader and thought partner, and I’m grateful for the trust that he and the Williams Board of Directors have placed in me to carry Williams’ vision forward.”
About Alan Armstrong
Armstrong became President and Chief Executive Officer of Williams in January 2011. During his tenure, Williams has expanded its reach, currently handling one-third of all
About Chad Zamarin
Zamarin has served as Williams’ Executive Vice President of Corporate Strategic Development since 2023, responsible for leading the company’s strategy, business development and project analysis efforts, as well as providing oversight for Williams’ communications, upstream joint ventures, commodity marketing and New Energy Ventures activities. He joined Williams in 2017 as senior vice president of Corporate Strategic Development. Prior to joining Williams, Zamarin served as Senior Vice President and President, Pipeline and Midstream at Cheniere Energy, Inc. He also served in various executive roles at NiSource/Columbia Pipeline Group, including Chief Operating Officer at NiSource Midstream, LLC and NiSource Energy Ventures, LLC, as well as President of Pennant Midstream, LLC. He graduated with a bachelor’s degree in materials engineering from Purdue University and holds a Master of Business Administration from the University of
About Williams
Williams (NYSE: WMB) is a trusted energy industry leader committed to safely, reliably, and responsibly meeting growing energy demand. We use our 33,000-mile pipeline infrastructure to move a third of the nation’s natural gas to where it's needed most, supplying the energy used to heat our homes, cook our food and generate low-carbon electricity. For over a century, we’ve been driven by a passion for doing things the right way. Today, our team of problem solvers is leading the charge into the clean energy future – by powering the global economy while delivering immediate emissions reductions within our natural gas network and investing in new energy technologies. Learn more at www.williams.com.
Portions of this document may constitute “forward-looking statements” as defined by federal law. Although Williams believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different. Any such statements are made in reliance on the “safe harbor” protections provided under the Private Securities Reform Act of 1995. Additional information about issues that could lead to material changes in performance is contained in Williams’ annual and quarterly reports filed with the SEC.
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Source: Williams