Curtis Dinan

Curtis L.
Dinan currently serves as Independent Director at Paul Mueller Co. since 2014.
Holds director positions at Tulsa Community College Foundation, Metropolitan Tulsa Chamber of Commerce, and Downtown Tulsa Partnership.
Member of The American Institute of Certified Public Accountants, American Gas Association, and Oklahoma Society of Certified Public Accountants.
Trustee at Drury University.
President-Natural Gas at ONEOK Partners GP LLC since 2011.
President & Chief Operating Officer at ONE Gas, Inc. starting in 2026.
President & Chief Operating Officer at Oklahoma Natural Gas Co. Formerly Director at Interstate Natural Gas Association of America, Texas Pipeline Association, Northern Border Pipeline Co., and Tulsa Regional Chamber of Commerce.
President-Natural Gas at ONEOK, Inc. from 2011 to 2014.
Senior Vice President-Natural Gas at ONEOK Partners LP from 2013 to 2014.
Audit Partner at Grant Thornton LLP and Arthur Andersen LLP.
Treasurer at The Child Abuse Network and Leadership Tulsa.
Earned an undergraduate degree from Drury University in 1989.