Richard L. Lionberger

Richard L. Lionberger is a Denver corporate lawyer who advises businesses on corporate matters, transactions, maritime law, and international legal issues. He serves companies of different sizes, including international businesses with subsidiaries or operations in the US. His work includes general counsel services, project-based advice, contracts, and regulatory matters. He helps clients address legal obstacles while keeping business priorities, commercial relationships, and long-term goals in view.

Richard earned a J.D. from the University of Texas and a B.S. in Petroleum Engineering from Texas A&M University. Before entering law, he worked as a petroleum and drilling engineer for Pennzoil Company and Conoco, Inc. His engineering background supports a practical approach to complex commercial and technical issues. That training is especially relevant to his work with energy, maritime, shipping, and other businesses facing operational and transactional challenges.

Richard has more than 35 years of legal experience, including substantial service as in-house general counsel for publicly traded multinational companies. He previously served as vice president, general counsel, and secretary for National Oilwell, Inc. and Diamond Offshore Drilling, Inc. His experience includes business transactions, corporate governance, contracts, maritime matters, and international operations. He has represented companies in the Denver and Houston areas, as well as businesses operating across international markets.

Richard L. Lionberger is licensed in Colorado and Texas and maintains memberships in several professional organizations. These include the American Bar Association, State Bar of Texas, Chartered Institute of Arbitrators, and Houston Maritime Arbitrators Association. He has participated in the Colorado Attorney Mentoring Program. His combination of corporate, in-house, engineering, and international experience supports practical legal guidance for companies handling business transactions, regulatory concerns, and operational decisions.

Law Office Affiliations

• Attorney, Richard Lionberger, Attorney
• Member, American Bar Association
• Member, State Bar of Texas
• Member, Houston Maritime Arbitrators Association

Licensed State

• Colorado
• Texas

Education

• University of Texas
  Juris Doctor (JD)
• Texas A&M University
  Bachelor of Science (BS)