Michael T. "Mike" Keester

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 ...

Danya Bundy represents individuals in prenuptial agreement negotiations and in family law disputes involving child custody, alimony, child support, and domestic violence claims. Fluent in Arabic and German, she advises on international matters, including Hague treaty child abduction claims. Danya is one of few attorneys in private practice with extensive first-chair jury trial experience defending parents in parental rights cases, as she has tried six such jury trials to verdict. Her deep bac...

Nathan E. Clark is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. Nathan E., 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 Nathan E. is held by other top lawyers in the same geographic and legal practice area.

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...

Jared M. Burden is a member at Frederic Dorwart Lawyers PLLC whose practice focuses on commercial litigation, business litigation, oil and gas litigation, appellate advocacy, and regulatory disputes. He represents businesses, financial institutions, energy companies, healthcare providers, manufacturers, and individuals in complex commercial disputes involving significant financial exposure, operational challenges, and regulatory risk. Jared's experience includes securities litigation, banking...

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 ...

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...

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.

Amy brings more than 25 years of experience in trial and appellate practice, with a career shaped by leadership roles and in-depth involvement in Family Law matters. Her background includes serving with Oklahoma Child Support Services, where she helped lead the state’s implementation of the Uniform Parentage Act, as well as her service as a District Judge for the Cherokee Nation. This range of experience provides her with a well-rounded understanding of family law issues affecting indiv...

Bobby L. Latham, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Bobby L., who practices law in Tulsa, Oklahoma, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bobby L. is held by other top lawyers in the same geographic and legal practice area.