Steven G. Heinen

Steven G. Heinen

Steven G. Heinen has practiced law since 1992. During that time, he has been recognized by Best Lawyers in America and Super Lawyers in the areas of Business/Corporate Law and Banking and Finance Law.

Prior to joining the firm, Steve served as a Senior Attorney for The Williams Companies/WilTel Communications for nearly a decade after beginning his career as an associate attorney with another major Tulsa law firm.

Steve’s recent experience includes:

  • Representation of a major international executive search firm in negotiating service agreements with a number of multi-national corporations, educational institutions, and governmental entities.
  • Representation of Cypress Energy Holdings, LLC in the acquisition of certain assets and businesses of Electromechanical Technologies, Inc. and Greene’s Energy Group, LLC.
  • Representation of a number of corporate and industrial clients in negotiating various types of commercial and technology agreements.

Steve has been involved with a variety of community organizations, including the Tulsa Lawyers for Children, Legal Aid of Eastern Oklahoma, Tulsa Global Alliance, and the Memorial Drive Church of Christ.


J.D., Harvard Law School, 1991

M.B.A., University of Oklahoma, 1991

B.A. in Political Science, University of Oklahoma, 1987


Best Lawyers
Lawyer of the Year – Tulsa
Banking and Finance Law – 2020

Best Lawyers
Banking and Finance Law
Corporate Law

Super Lawyers
2013-2014, 2016-2019


Oklahoma Bar Association
Tulsa County Bar Association
New York Bar Association