Mark E. Hornbeek is an Director with experience representing a wide range of clients in complex civil litigation. His practice includes state and federal cases involving insurance matters, medical malpractice, products liability, premises liability, lender liability, and contract and commercial disputes. Mark has extensive experience representing clients through all stages of litigation, including as first chair at trial and on appeal.

Mark attended the University of Oklahoma College of Law where he earned several American Jurisprudence Awards. He served as Symposium Editor of the Oklahoma Law Review, was a member of the Phi Delta Phi Legal Honor Society, the Board of Advocates, and the Student Bar Association Board of Governors. Mark also received the Welcome D. Pierson Award for excellence in the fields of Evidence and Civil Procedure, the Gene and Jo Ann Sharp Award for his contributions to the Oklahoma Law Review, the William T. and James Comfort Scholarship, and was selected as a Dean’s Leadership Fellow.

While pursuing his law degree, Mark had the opportunity to work as a judicial intern for both the Honorable Robert E. Bacharach of the U.S. Court of Appeals for the 10th Circuit as well as Justice Noma D. Gurich of the Oklahoma Supreme Court.

• University of Oklahoma (B.S., 2010)
• University of Oklahoma College of Law (J.D., with Highest Honors, Order of the Coif, 2017)

• Oklahoma Bar Association
• American Bar Association
• Federal Bar Association
• Defense Research Institute
• Oklahoma County Bar Association

• Complex Litigation involving class action and mass tort defense
• Successfully defended major insurance company against claims of bad faith, fraud, and breach of contract on novel issue of insurance coverage law in Oklahoma
• Represented regional electric cooperatives in a variety of disputes including disputes with landowners and municipalities
• Represented physicians against claims of professional malpractice and negligence
• Represented and successfully defended international commercial real estate company in premises liability, contract, and general liability claims
• Represented major insurance companies in coverage and liability disputes
• Represented clients in complex commercial disputes involving allegations of breach of contract, negligence, fraud, and breach of fiduciary duty
• Represented and successfully defended products manufacturers against claims of product defects
• Defended and enforced contractual arbitration clauses
• Represented lenders and financial institutions in contract and commercial disputes
• Represented clients in all aspects of the oil and gas industry, including operators, working interest and royalty owners, disposal well operators, and service companies