Joseph D’Aguanno

Joseph D’Aguanno is a Trial Lawyer and Managing Attorney at Gage Mathers Law Group in Phoenix, Arizona. Joseph represents people injured in accidents and by medical negligence, with a practice covering personal injury and medical malpractice. His work includes car and motorcycle accidents, dog bites, premises liability, wrongful death, and complex medical injury matters. He has more than two decades of legal experience and regularly handles litigation involving significant physical harm and disputed responsibility.

Joseph earned a J.D. from Arizona State University College of Law and a B.S. from the University of Arizona, where he studied Mathematics and Molecular and Cellular Biology. His academic background combines legal training with substantial scientific study, which is especially relevant to medical malpractice and injury matters involving technical evidence. He is admitted in Arizona, before the US District Court for the District of Arizona, and before the US Patent and Trademark Office.

Joseph has worked as a trial lawyer, litigation attorney, managing attorney, and corporate senior attorney. His current practice includes medical malpractice and catastrophic injury litigation as well as car accident and other personal injury cases. He has served as co-counsel in Arizona injury matters and has achieved significant settlements and jury verdicts. His scientific background and litigation experience support detailed review of medical, technical, and causation issues in complex cases.

Joseph D’Aguanno has been selected to the Southwest Super Lawyers list in Plaintiff’s Personal Injury and has received other professional recognition for trial work. He is a member of the Arizona Association for Justice and the State Bar of Arizona. His practice centers on representing injured clients through investigation, negotiation, and litigation, with particular strength in matters involving medical negligence, serious injuries, and complicated factual or technical evidence.

Law Office Affiliations

• Attorney, Gage Mathers Law Group, PLLC
• Member, State Bar of Arizona
• Member, New York State Bar Association
• Present, Arizona Association for Justice
• Lifetime Member, Million Dollar Advocates Forum
• Lifetime Member, Multi-Million Dollar Advocates Forum

Licensed State

• Arizona
• New York

Education

• Arizona State University, College of Law
  Juris Doctor (JD)
• University of Arizona
  B.S. (1996, Major: Mathematics)

Awards & Badges