ONE Gas Announces Leadership Progression to Support Scaled Operations and Long-term Growth

Curtis Dinan promoted to president and chief operating officer as company focuses on strategy and value creation

Published on Feb. 22, 2026

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ONE Gas, Inc., a 100-percent regulated natural gas utility, announced that Curtis Dinan, the current senior vice president and chief operating officer, will be promoted to the position of president and chief operating officer effective March 1, 2026. Robert S. McAnnally will continue in his role as chief executive officer, focusing on long-term strategy and value creation, stakeholder engagement and alignment across the organization.

Why it matters

The leadership progression at ONE Gas is aimed at supporting the company's scaled operations and long-term growth as it faces growing demand in both its traditional customer base and new, larger load opportunities. The new structure will strengthen the organization and allow the CEO to focus on strategic priorities while the president and COO oversees day-to-day operations.

The details

In his new role, Dinan will be responsible for the day-to-day operations of ONE Gas' natural gas distribution business divisions and will continue to report to McAnnally. Dinan has served as the company's senior vice president and chief operating officer since June 2021, and has held other senior leadership roles at the company since 2014.

  • The leadership changes will take effect on March 1, 2026.

The players

Curtis Dinan

The current senior vice president and chief operating officer of ONE Gas, who will be promoted to the position of president and chief operating officer effective March 1, 2026.

Robert S. McAnnally

The current president and chief executive officer of ONE Gas, who will continue in the role of chief executive officer, focusing on long-term strategy and value creation, stakeholder engagement and alignment across the organization.

ONE Gas, Inc.

A 100-percent regulated natural gas utility that trades on the New York Stock Exchange and NYSE Texas under the symbol "OGS". ONE Gas is included in the S&P MidCap 400 Index and is one of the largest natural gas utilities in the United States.

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What they’re saying

“Curtis is a proven leader who has driven commercial transformation and outstanding operational results. As we meet growing demand in both our traditional customer base and new, larger load opportunities, this new role will strengthen our organization. Given his experience and the quality of his leadership, Curtis is the right leader to take on this new role.”

— Robert S. McAnnally, Chief Executive Officer (PRNewswire)

“I appreciate the confidence and support from Sid and am honored to work alongside our leaders to safely serve customers and unlock the potential of opportunities before us.”

— Curtis Dinan, Incoming President and Chief Operating Officer (PRNewswire)

The takeaway

The leadership changes at ONE Gas demonstrate the company's commitment to supporting its scaled operations and long-term growth, with a focus on strategic priorities, operational excellence, and serving customers and communities.