Robert G. McCampbell

Courtney K. Warmington is an advisory director in Crowe & Dunlevy’s Labor and Employment Section. Since joining the group in 1999, Ms. Warmington has successfully represented management in cases brought by employees under Title VII of the Civil Rights Act, the Americans With Disabilities Act, the Age Discrimination in Employment Act, the Family and Medical Leave Act, Oklahoma’s Workers’ Compensation laws, and the Fair Labor Standards Act. In addition to her litigation pr...

Michael T. Maloan is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Michael T., who practices law in Oklahoma City, Oklahoma, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael T. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Heron is a Partner in our Oklahoma City office with over 30 years of legal experience. He specializes in protecting the rights of individuals and businesses in civil cases involving medical malpractice, professional liability, construction, transportation, and insurance matters. Mike represents hospitals, practice groups, physicians, nurses, and other health care professionals in a wide range of litigation, policies and procedures, compliance, investigations, business transactions,...

Crystal Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Corporate Law, Litigation - Labor and Employment and Litigation - Real Estate. Crystal, who practices law in Oklahoma City, Oklahoma, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Crystal is held by other top lawyers in the same geographic and legal practice area.

Stacey D. Spivey's practice focuses on estate planning and trust and estate administration and litigation. Ms. Spivey works with individuals to prepare and implement their estate plans to meet family, tax and other goals, including business succession planning. She also works with individuals and fiduciaries on the management and settlement of trusts and estates, including probate administration, preparation of federal estate and gift tax returns, and estate and trust litigation matters. Ms. ...

Amy Page is a distinguished authority in family law, recognized by Best Lawyers for her intellect and her proven track record in high-stakes litigation. A sitting Justice of the Cherokee Nation Supreme Court, Amy offers clients a rare and commanding perspective: that of a seasoned trial lawyer, a legislative architect, and a high-court jurist. With over 25 years of experience in trial and appellate practice, Amy represents high-net-worth and ultra-high-net-worth individuals in complex matrimo...

Larry D. Ottaway is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Legal Malpractice Law - Defendants, Litigation - Insurance, Mass Tort Litigation / Class Actions - Defendants, Medical Malpractice Law - Defendants, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Larry D., who practices law in Oklahoma City, Oklahoma, has been recognized since 2015. This recognition is based on an e...

For more than thirty years, Mr. Hiltgen has focused his practice in the areas of products liability defense, insurance defense, commercial litigation, and transportation litigation. He continues to add to that experience through the representation of companies of consumer goods and products, manufacturing industries and the insurance market. Mr. Hiltgen and his firm have represented a number of national and international corporations, serving as national, regional, and local trial counsel. Mr...

David has significant trial experience with complex commercial, intellectual property, trust and estates, tax, energy, and environmental litigation matters in both state and federal courts. He has successfully tried to verdict complex litigation matters in state and federal courts, and under the rules of the American Arbitration Association. He has successfully argued before state and federal appellate courts. In addition, he has experience with matters before state and federal administrative...

Mark E. Bialick entered the practice of law in 1981. His practice centers upon complex civil litigation, and, over the course of his nearly forty-year career, Mark has litigated and tried to verdict several of the State of Oklahoma’s seminal cases in the areas of insurance, particularly with respect to the duty of good faith and fair dealing, as well as cases involving catastrophic injuries and wrongful death. In 2006, Mark was inducted as a fellow in the American College of Trial Lawye...