Jennifer H. Callahan

Kurt Rupert is a lawyer recognized by Best Lawyers in the practice areas of Antitrust Law and Commercial Litigation. Kurt practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Kurt Rupert since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kurt Rupert is held by other lawyers.

Jesse Chapel is a lawyer recognized by Best Lawyers in the practice area of Litigation and Controversy - Tax. Jesse practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Jesse Chapel since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jesse Chapel is held by other lawyers.

As a founding partner at Ball Morse Lowe PLLC , Zach focuses his practice on oil, gas, and energy matters , business law , and Real Estate Law , serving clients in Oklahoma City, Oklahoma and across the region. He approaches each matter with an appreciation for his clients’ time and resources, working to provide practical, efficient, and cost-conscious legal solutions for complex legal and business issues. Zach represents companies operating throughout Oklahoma, North Dakota, Montana, W...

Sam Fulkerson’s practice is focused on the representation of management in all phases of the employment relationship, including litigation before federal and state courts, regulatory and administrative agencies, and in arbitration matters. He also handles litigation matters involving the enforcement of non-competition and confidentiality agreements, breach of employment contracts, handbook and personnel policy violations, wage and hour disputes, and other disputes arising out of the emp...

Larry D. Ottaway is a lawyer recognized by Best Lawyers in the practice areas 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. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Larry D. Ottaway since 2015. The Best Lawyers recog...

Edd Pritchett, Jr. is a lawyer recognized by Best Lawyers in the practice areas of Environmental Law and Oil and Gas Law. Edd practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Edd Pritchett, Jr. since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Edd Pritchett, Jr. is held by other lawyers.

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...

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...

Adam R. Banner is an Oklahoma City criminal defense attorney whose practice is devoted to representing individuals facing serious criminal charges, investigations, trials, and appeals in Oklahoma state and federal courts. He is the founder of The Law Offices of Adam R. Banner, P.C., which also operates under the trade name Oklahoma Legal Group , and represents clients throughout Oklahoma in complex and high-stakes criminal matters. Banner has extensive experience defending serious felony case...

Mark R. McPhail is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Real Estate. Mark R. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Mark R. McPhail since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark R. McPhail is held by other lawyers.