Joseph D’Aguanno

With over two decades of dedicated advocacy, Phoenix-based attorney Joseph D’Aguanno has established himself as a prominent force in Arizona plaintiff's personal injury law. As the leader of Gage Mathers Law Group, Joseph has spent his career representing individuals and families navigating catastrophic injury and wrongful death claims. Under his guidance, the firm has successfully recovered more than $350 million for injured clients throughout Phoenix, Scottsdale, and the surrounding communities. 

Joseph D’Aguanno's courtroom performance has repeatedly set benchmarks in the state, including two separate recoveries that ranked among Arizona’s Top 10 highest verdicts. This exceptional track record has earned him continuous recognition from his peers and elite industry organizations alike. He holds a 9.0 AVVO rating, Martindale-Hubbell Peer Review and Client Ratings, and regular inclusions in U.S. News – Best Lawyers. Furthermore, he is an active member of the Multi-Million Dollar Advocates Forum and is recognized among America’s Most Honored Lawyers, an honor reserved for the top 10% of legal practitioners nationwide.

A hallmark of Joseph’s practice is his selective approach to caseload management. Gage Mathers Law Group intentionally limits its active files to ensure that every client receives meticulous, hands-on attention and consistent, transparent communication. Joseph directly oversees every case, focused entirely on maximizing financial recovery and securing the accountability his clients deserve.

Joseph D’Aguanno's legal expertise spans a wide array of personal injury cases, including car accident, bicycle accident, motorcycle accident, dog bite, medical malpractice, and premises liability. 

Bar Admissions & Education

• State Bars: Arizona | New York
• Federal Courts: U.S. District Court for the District of Arizona | U.S. Court of Appeals for the Ninth Circuit
• Specialized Admissions: United States Patent and Trademark Office (USPTO)
• Law School: Arizona State University College of Law
• Undergraduate: University of Arizona

Personal & Civic Engagement

A committed resident of the Desert Ridge neighborhood, Joseph balances his legal practice with a strong presence in the local Phoenix community. He is a devoted family man who enjoys spending quality time with his wife and two children. Outside of the office, Joseph is an avid golfer, supports various local charitable initiatives, enjoys attending sporting events, and can frequently be found outdoors walking his dog.