« Who We Are

Mr. Potenza is a founding shareholder of the Firm and serves as the head of the Corporate/Transactional Practice Group. Austin’s practice focuses on corporate law, commercial transactions, start-ups, mergers and acquisitions, and tax planning. Austin is a certified tax law specialist.

Austin has significant experience serving as general counsel for his clients. He is a frequent speaker on the subjects of business succession planning, business formation and co-owner relationships, and mergers and acquisitions. He has served as an instructor and/or adjunct professor at Arizona State University, Golden Gate University, and AT Still University.


  • Southern Utah State College, B.S., magna cum laude, 1979
  • Arizona State University, J.D., 1982

Bar Admissions

  • Arizona (1982)

Court Admissions

  • U.S. District Court for the District of Arizona
  • U.S. Tax Court
  • U.S. Claims Court


  • Tax Law Certification, Arizona Board of Legal Specialization (since 1991)


  • AV Rated, Martindale-Hubbell’s Highest Peer Review Rating

Professional & Community Groups

  • Maricopa County Bar Association, Taxation Section, 1982-present
  • State Bar of Arizona, Taxation Section, 1982-present
  • American Bar Association, Taxation, Business Law and Health Law Sections
  • Men’s Arts Council of the Phoenix Art Museum (Past President)
  • Association for Corporate Growth, Arizona (Board Member)

Practice Areas

When you enlist the services of May Potenza Baran & Gillespie, you get an experienced, diverse team of advocates in your corner who work collaboratively, move quickly, and think differently.