A.J. Olsen

Arnold J. “A.J.” Olsen is an experienced attorney who has practiced law for more than four decades, representing clients in a wide range of legal matters. His work includes civil litigation, business and corporate law, administrative appeals, and natural resources law. Over the years, he has advised municipalities, corporations, and organizations on complex legal issues. His practice focuses on providing strategic legal guidance and strong advocacy while helping clients resolve disputes and address regulatory challenges.

A.J. Olsen earned his B.S. from the University of Wyoming in 1980. He later obtained his M.B.A. from the University of Wyoming in 1981, strengthening his knowledge of business and financial management. He then received his J.D. from the University of Tulsa in 1983. His combined education in business and law provides a strong foundation for advising clients on corporate matters, regulatory issues, and complex legal disputes involving organizations and public entities.

Throughout his legal career, Mr. Olsen has handled matters involving agriculture law, employment law, property and real estate law, water law, and municipal law. He has also represented clients in administrative litigation and appeals, addressing regulatory issues that affect businesses and public institutions. His work often involves guiding clients through complex legal frameworks and helping them navigate disputes involving government agencies, commercial operations, and natural resource management.

A.J. Olsen is admitted to practice in New Mexico as well as several federal courts, including the United States District Court for the District of New Mexico, the United States Court of Appeals for the Tenth Circuit, and the Supreme Court of the United States. He is also an active member of professional organizations such as the State Bar of New Mexico, the American Bar Association, and the New Mexico Trial Lawyers Association. His decades of legal experience reflect a strong commitment to professional service and legal advocacy.

Law Office Affiliations

• Of Counsel, Hennighausen Olsen & McCrea, L.L.P
• Member, State Bar of New Mexico,
• Member, Chaves County Bar Association
• Member, American Bar Association
• Member, American Association for Justice
• Member, New Mexico Trial Lawyers Association
• Co-Chair, National Water Resources Association, Groundwater Task Force
• Director, New Mexico Groundwater Districts Association

Licensed State

• New Mexico

Education

• University of Tulsa College of Law
  Juris Doctor (JD)
• University of Wyoming
  Master of Business Administration (MBA)
• University of Wyoming
  Bachelor of Science (BS)

Awards & Badges