John R. Barker John Barker is a shareholder in the Tulsa office of GableGotwals and has more than 40 years of legal experience in both law firm and corporate settings. After 30 years with GableGotwals, John joined ONEOK, Inc., and ONEOK Partners, L.P., in December 2004, where he served as their General Counsel, Senior [...]
Steven G. Heinen Steve Heinen is a shareholder in the Tulsa office of GableGotwals and has nearly 30 years of corporate and transactional experience. His practice focuses on commercial agreements, mergers and acquisitions, and public and private companies. Steve represents clients in a variety of industries including professional services, energy, manufacturing, and technology. Prior [...]
