Brandon C. Bickle

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...

Robert has been affiliated with Pray Walker since 1992 and has focused on trials of civil disputes. Robert’s practice began with the defense of personal injury and product liability lawsuits, but has grown to include handling cases involving business fraud and interference, breaches of corporate duties, and problems arising from business agreements. The contractual disputes range from commercial warranty claims to construction problems to oil and gas accounting issues and surface damage...

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...

Colin Tucker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Environmental Law. Colin, who practices law in Tulsa, Oklahoma, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Colin is held by other top lawyers in the same geographic and legal practice area.

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.

Sabah is a trial lawyer whose practice is hyper-focused on DUI defense and major crimes in federal, state, tribal, and municipal criminal courts from pre-filing investigation to trial. Sabah effectively communicates with his clients, prosecutors, and other agents, to quickly minimize the stress and disruption a criminal investigation or charge can have on a person’s life and to resolve each case in the most favorable manner possible. His passion for his clients and his work enables him ...

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...

Maren Minnaert Lively is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Maren Minnaert, who practices law in Tulsa, Oklahoma, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maren Minnaert is held by other top lawyers in the same geographic and legal practice area.

Robert Mitchener III is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Robert, who practices law in Tulsa, Oklahoma, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Corbin C. Brewster is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Criminal Defense: General Practice and Personal Injury Litigation - Plaintiffs. Corbin C., who practices law in Tulsa, Oklahoma, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corbin C. is held by other top lawyers in the same geographic and legal practice area.