Joseph D’Aguanno

Joseph D’Aguanno

Seeking the best personal injury lawyer in Phoenix, Arizona? Joseph D’Aguanno is a highly-experienced attorney dedicated to helping accident victims and those affected by medical malpractice secure the maximum compensation they deserve.

With over two decades of experience, Joe has a proven track record of success, consistently achieving significant settlements and jury verdicts for his clients, including some of Arizona’s largest annual medical malpractice jury verdicts. He’s recognized as a Top Lawyer by AVVO and is acknowledged through Peer Review and Client Ratings by Martindale-Hubbell. U.S. News – Best Lawyers has also consistently listed him for his contributions to personal injury litigation, and he’s been named among America’s Most Honored Lawyers, a distinction reserved for the top 10% of American lawyers.

Joe’s dedication to his clients is evident in his personalized approach, ensuring each case receives the meticulous attention and aggressive advocacy required for a successful outcome. Considered by some to be the best medical malpractice lawyer in Phoenix, Arizona. He has been selected for the 2025 Southwest Super Lawyers list, an honor bestowed on less than 5% of lawyers, and has also earned the Elite Lawyer award, recognizing his commitment to excellence. Additionally, his trial victories have been featured in Arizona’s annual Top Ten Jury Verdicts, and he’s a lifetime member of both the Million Dollar Advocates Forum and Multi-Million Dollar Advocates Forum, highlighting his ability to deliver substantial results.

Injured in an accident or due to medical negligence? You don’t have to face the legal challenges alone. Joseph D’Aguanno offers free case evaluations to help you understand your legal options and pursue the justice and compensation you are owed. He is frequently sought out by other medical malpractice lawyers for advice, demonstrating his standing as a leader in the legal community. Under his leadership, Gage Mathers Law Group has become a globally recognized personal injury law firm, achieving multiple placements in U.S. News – Best Lawyers’ “Best Law Firm” publications.

Why choose Joseph D’Aguanno for your personal injury or medical malpractice claim?

• Proven Results: A history of achieving significant settlements and jury verdicts in personal injury and medical malpractice cases.
• Decades of Experience: Over 20 years of dedicated legal experience focused on helping injured individuals.
• Client-Centered Approach: Committed to providing compassionate and aggressive representation tailored to your unique situation.
• Highly Recognized Expertise: Endorsed by prestigious legal organizations and fellow attorneys.
• Local Phoenix Knowledge: Extensive experience navigating the specific nuances of personal injury and medical malpractice law in Arizona.

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

Publications

• Hospital Accountability for the Right Reasons