Jack Horstmann is a dedicated commercial litigation attorney who represents clients in a wide range of business disputes. His practice focuses on complex commercial litigation, which includes business litigation, contract disputes, real property litigation, higher education law and more. Known for his strategic approach and strong advocacy skills, Jack works closely with clients to develop tailored solutions that meet their specific needs. He is committed to achieving favorable outcomes through negotiation, mediation and when necessary, litigation.
After graduating law school, Jack served as a law clerk for the Honorable Samuel A. Thumma of the Arizona Court of Appeals, Division One.
Education
- Sandra Day O’Connor College of Law at Arizona State University (J.D., cum laude, 2022)
- Trial Advocacy Certificate
- Jurimetrics, The Journal of Law, Science and Technology, Note and Comment Editor
- Sports Law and Business Organization, Director of Community Engagement
- Business Legal Assistance Program, Outreach Committee
- Teaching Assistant, Torts, Professor Betsy Grey
- Pomona College (B.A., 2015)
- Economics
- Pomona-Pitzer Football, Team Captain, Four-Year Starter, Offensive Lineman of the Year, Offensive Rookie of the Year, Preseason First Team All-American
Bar Admission
- Arizona, 2022
- California, 2024
Court Admissions
- U.S. District Court, District of Arizona
Professional Affiliations
- State Bar of Arizona
- State Bar of California
- Maricopa County Bar Association
- Federal Bar Association (Phoenix Chapter)
Recognition
- Named one of Best Lawyers: Ones to Watch® in America in Commercial Litigation, 2026
- Best Oral Advocate Award Winner, Spring 2020
- William H. Pedrick Scholar, Spring 2021; Fall 2021
