Crowe & Dunlevy Adds Associates in Oklahoma City


Pictured (l to r): Potter Sullenger and Sweeney

Crowe & Dunlevy recently announced the hiring of Erin Potter Sullenger and Cullen D. Sweeney as associates in the firm’s Oklahoma City office.

Potter Sullenger is a member of the firm’s Energy, Environment & Natural Resources and Litigation & Trial Practice Groups. Prior to joining the firm, she clerked for the Honorable Gregory K. Frizzell in the Northern District of Oklahoma and served as an honors law clerk at the United States Environmental Protection Agency (EPA) in the water enforcement division of the Office of Enforcement and Compliance Assurance in Washington, D.C. At the EPA, she gained experience drafting and editing administrative and civil judicial enforcement matters under the Clean Water Act and Safe Drinking Water Act.

Sweeney is an associate in the Appellate and Litigation & Trial Practice Groups. Prior to joining the firm, he worked for the Oklahoma State Senate and also served for two years as law clerk to the Honorable William J. Holloway, Jr. of the Tenth Circuit Court of Appeals.

He earned his Juris Doctor with distinction from the University of Oklahoma College of Law. During his time in law school, he served as managing editor of the American Indian Law Review and also worked as a student law clerk to the Honorable Marian P. Opala of the Oklahoma Supreme Court. Sweeney is an active member of the Oklahoma Bar Association, Oklahoma County Bar Association, American Bar Association and Federal Bar Association. He has also been honored with selection for membership in the Oklahoma Bar Association’s Leadership Academy, which is dedicated to training the Oklahoma Bar’s next generation of leaders in the legal profession.

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