Hall Estill Welcomes Brian Keester and McKenzie Corley

October 2025

Hall Estill, Oklahoma’s leading law firm, is pleased to announce the addition of Brian Keester and McKenzie Corley to its team, further strengthening its dedication to exceptional legal service and continued growth. With offices in Tulsa, Oklahoma City, Denver, and Northwest Arkansas, Hall Estill remains committed to its tradition of legal excellence and delivering client-focused solutions.

"Hall Estill is pleased to welcome Brian Keester and McKenzie Corley as the newest members of our Tulsa office. With their experiences they will be invaluable assets to our firm," said Steve Ray, Managing Partner at Hall Estill. "With our expanding team we are ensuring we can provide the highest level of service and capabilities to our clients today and in the future.”

Keester is Special Counsel at Hall Estill with a practice focused on commercial and insurance litigation, including construction litigation, personal injury, construction defect, premises liability, wrongful death and transportation litigation. He has secured numerous successful outcomes for clients, from dismissals at the Oklahoma Supreme Court to defense victories in nursing home, construction, and motor vehicle cases. He earned his J.D., cum laude, from the University of Arkansas School of Law and his B.A. in Political Science, with special academic distinction, and a minor in History, from the University of Oklahoma.

Corley is an Associate in Hall Estill’s litigation practice. She brings valuable experience to the firm, having previously served as a law clerk to Federal Judge Claire V. Eagan. In addition, she worked as both a Financial Analyst and an Investment Analyst prior to attending law school. Corley earned her J.D., with highest honors, from the University of Tulsa College of Law and her B.S. in Business Administration, cum laude, from the University of Tulsa. During law school, Corley served as the Notes & Comments Editor for the Tulsa Law Review.