Joseph “Joe” L. McCormick IV brings to private practice decades of legal experience spanning government service, administrative and regulatory law, and executive leadership in the energy industry. Having served as a government attorney, regulatory counsel, and senior corporate executive, he offers clients a distinctive understanding of how legal decisions, government regulation, and business objectives intersect. His experience provides a valuable perspective for businesses navigating complex regulatory environments, administrative proceedings, corporate governance matters, and significant legal and operational challenges.
In December 2025, Joe retired as Senior Vice President, General Counsel, and Assistant Secretary of ONE Gas Inc., where he served for eleven years. He led the company’s legal team and, as a member of senior leadership, advised on corporate governance, regulatory compliance, risk management, and business operations for a publicly traded company in a highly regulated industry.
Before ONE Gas became a standalone, publicly traded company, he served as Vice President and Associate General Counsel for the three ONEOK Inc. gas distribution divisions. In that role he managed the division legal teams. Joe joined ONEOK in 2003 as managing attorney for Oklahoma Natural Gas. Earlier in his career, he served the State of Oklahoma as an assistant general counsel for the Oklahoma Insurance Department, and later as an assistant attorney general
Joe is an active leader in the energy and legal communities. He was a member of the American Gas Association Legal Committee and previously chaired its executive committee.
In 2023, he helped revive the Oklahoma Chapter of the American Association of Blacks in Energy (AABE) and served as the president of the newly reinstated chapter. As a current board member, Joe continues to work and support the chapter as it executes the AABE mission and vision.
A graduate of Leadership Tulsa – Class 46, Joe has contributed his expertise to numerous civic and nonprofit organizations throughout his career; including, the Oklahoma Individual Self Insured Guaranty Fund, the Oklahoma Academy, the Urban League of Greater Oklahoma City, Oklahoma Lawyers for Children, Lyric Theatre, the Oklahoma Huntington Disease Society and the Metropolitan Tulsa Urban League.