Joseph D’Aguanno

Joseph D’Aguanno

Joseph D’Aguanno Is A Lifetime Member of Both The Million Dollar Advocates Forum And Multi-Million Dollar Advocates Forum

Joseph is an award-winning medical malpractice attorney with over two decades of experience. He is highly dedicated to his clients and excels in achieving outstanding results. Considered the best medical malpractice lawyer in Phoenix by his clients and many colleagues, Joseph genuinely cares about his clients and is committed to making a difference in their lives, especially when dealing with the stress and difficulties of recovering from an injury.

AVVO recognizes him as a Top Lawyer, Martindale-Hubbell acknowledges him through Peer Review and Client Ratings, and U.S. News – Best Lawyers consistently lists him for his contributions to personal injury litigation. Additionally, Joe has earned the distinction of being named among America’s Most Honored Lawyers, a recognition reserved for the top 10% of American lawyers.

Joseph has been selected for the 2025 Southwest Super Lawyers list, an honor bestowed on less than 5% of lawyers. This further coincides with his Elite Lawyer award, recognizing his dedication, experience, and reputation.

Arizona’s annual Top Ten Jury Verdicts featured several of Joe’s trial victories. He is a lifetime member of both the Million Dollar Advocates Forum and Multi-Million Dollar Advocates Forum. He has been asked to speak at trial lawyer groups and is frequently sought out by other medical malpractice lawyers for advice. Under his leadership, Gage Mathers Law Group has become a globally recognized personal injury law firm, which has achieved multiple placements in U.S. News – Best Lawyers’ “Best Law Firm” publications.

Beyond the practice of law, Joseph enjoys spending time with his wife, kids, dogs, friends, and colleagues. He loves sports, neuroscience, and technology–stemming from a lifelong pursuit of learning. Having obtained two Bachelor of Science degrees from the University of Arizona, Joe earned a Juris Doctor degree from Arizona State University College of Law. His academic journey included the distinguished role of Production Editor for Jurimetrics: The Journal of Law, Science, and Technology. The American Bar Association honored Joe with the ABA’s Section of Science and Technology Award for Outstanding Senior Editor. Joe also received the law school’s Outstanding Pro Bono Award, acknowledging his commitment to help those who could not afford legal services.

Education

• Arizona State University, College of Law, Tempe, Arizona
  • J.D. – 2000
• University of Arizona, Tucson, Arizona
  • B.S. – 1996
  • Major: Mathematics
  • Major: Molecular & Cellular Biology

Bar Admissions

• Arizona, 2000
• U.S. Patent and Trademark Office, 2000
• U.S. District Court District of Arizona, 2000
• Supreme Court of New York, 2014

Professional Associations

• Arizona Association for Justice, Present
• State Bar of Arizona, Member

Current Employment Position

• Trial Lawyer & Managing Attorney
• Chief GSD Attorney

Honors

• Selected to the 2025 Southwest Super Lawyers list in Plaintiff’s Personal Injury
• 2025 Elite Lawyer Award
• Multi-Million Dollar Advocates Forum
• Arizona’s Finest Lawyers
• Arizona Top Ten Trial Verdicts
• Outstanding Senior Editor, ABA Section of Science and Technology
• Member, Honor Code Hearing Board
• Admitted to the United States Military Academy at West Point

Past Positions

• Gage Mathers Law Group, Trial Lawyer, 2018 to present
• Lerner & Rowe, Litigation Attorney, 2017 to 2018
• Harris Powers & Cunningham, PLLC, Associate, 2011 to 2017
• D’Aguanno Law, PLLC, Managing Attorney, 2010 to 2010
• Pinnacle West Capital Corp, Senior Attorney, 2007 to 2009
• Olson Jantsch & Bakker, Associate and Junior Partner, 2000 to 2007