Brian Keester

Jennifer L. De Angelis is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Jennifer L., who practices law in Tulsa, Oklahoma, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Brad Cunningham is an award winning family law attorney with nearly two decades of experience. Since beginning his legal career in 2006, Brad has built a reputation as a trusted advocate for individuals navigating complex family law matters. Licensed in 2006, he focuses on representing clients in high-stakes divorce and child custody cases, providing steadfast guidance during life's most challenging transitions. Throughout his distinguished career, Brad has garnered numerous accolades, includ...

Danny is part of the firm's litigation group. He has extensive experience in commercial litigation particularly in the area of Eminent Domain. Prior to joining the firm Danny served as the United States Attorney for the Northern District of Oklahoma from August 2012 until March 2017. During his time as U.S. Attorney, he led several large investigations one of which resulted in the largest indictment in the history of the Northern District. Experience State of Oklahoma ex rel Department of Tra...

Don Smith joined Pray Walker in 1983 and has been a Shareholder with the Firm since 1990. Practicing in the areas of energy law, environmental law and title examination law, his primary emphasis is in energy transactions, principally representing oil and gas producers and operators in the purchase and sale of exploration and production assets, gathering and other midstream properties, and energy-related surface facilities. Don has negotiated, coordinated and closed numerous energy transaction...

William Jones is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. William, who practices law in Tulsa, Oklahoma, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area.

K. Ellis Ritchie is the founder of the Ritchie, Rock & Atwood Law Firm . With over 30 years of experience, Mr. Ritchie obtained his Juris Doctorate Degree from the University of Tulsa College of Law in 1992. Mr. Ritchie's primary field of practice is the representation of businesses and individuals in eminent domain cases. Mr. Ritchie has represented over 200 clients on eminent domain matters and has tried in excess of 75 jury trials and has numerous published appellate decisions. His exp...

Brett Crane has served as the Firm’s Managing Partner since 2008. His practice concentrates in the areas of corporate law with an emphasis on mergers and acquisitions, debt and equity financing, securities, private equity and emerging businesses, venture capital transactions, family-owned businesses and succession planning, and counseling with respect to business issues, compliance and contract negotiation. He has extensive experience representing clients in various industries and servi...

Having developed a successful high school speech and debate program, Randall Vaughan left education to pursue a career as a trial lawyer, a goal that guided his law school education and decision to join Pray Walker in 1985. Randall has tried numerous cases in federal and state courts, and written legal briefs and presented oral arguments at the appellate level. He has also served as an advocate for clients in private arbitrations. As a counselor, he assists large companies in managing their n...

Leah Keele is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance and Workers' Compensation Law - Employers. Leah, who practices law in Tulsa, Oklahoma, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leah is held by other top lawyers in the same geographic and legal practice area.

Bland Williamson is a founding member of Pray Walker and has been affiliated with the firm and its predecessors since 1969. His legal practice has been concentrated in Oil and Gas law and related regulatory areas for over 30 years. During this period, he has been involved in the acquisition and disposition of oil and gas properties and mid-stream facilities on numerous occasions, involving various differing business structures and financing mechanisms.Bland has experience in the drafting and ...