The principal attorney at the firm Leader Law, John P. Leader has nearly 35 years of experience, and he dedicates his practice exclusively to personal injury law. From his firm in Tucson, Arizona, he assists his clients in obtaining justice and compensation for any injury or loss caused by negligence or wrongful conduct.
Knowing how to successfully navigate his clients’ needs at trial, Mr. Leader has secured millions of dollars in verdicts and settlements on their behalf in claims of auto accidents, truck collisions, wrongful deaths and defective roadway injuries. Some of his noteworthy results include two individual wrongful death lawsuits against the state of Arizona where he secured verdicts of $7.8 million and $47 million, and a $2.5 million compensation in a motor vehicle accident.
Hailing from Tucson, Mr. Leader entered private practice after gaining nine years of valuable trial experience as a federal prosecutor at the Criminal Division of the United States Attorney’s office. During this period, he presented around 50 jury trials in the U.S. District Court and over 15 oral arguments before the U.S. Court of Appeals for the 9th Circuit in San Francisco. He also wrote around 40 appellate briefs.
A 1985 dean’s list graduate of The University of Arizona, Mr. Leader obtained his bachelor’s degree in general studies with an emphasis in English, Spanish and economics. Three years later, he earned his Juris Doctor from The University of Arizona, James E. Rogers College of Law, where he was placed on the dean’s list and was a member of the Arizona Law Review. He also had the honor of spending a semester in Washington, D.C., working for Senator Dennis DeConcini. Upon graduating, he gained a clerkship with Judge Alfredo C. Marquez in Tucson.
First admitted in the state courts of Arizona in 1989, Mr. Leader is also authorized to appear before the federal courts of Arizona, the U.S. Supreme Court and the U.S. Court of Appeals for the 9th Circuit. He is a board member of the Western Trial Lawyers Association and holds memberships in the American Association for Justice, the State Bar of Arizona, the Pima County Bar Association and the Arizona Association for Justice.
In addition to several five-star reviews from his satisfied clients, Mr. Leader has secured a perfect 10/10 rating on Avvo for his accomplishments and excellent client services. Additionally, he has been recognized by Lawyers of Distinction and listed among the Top Lawyers in Arizona by The Legal Network. Furthermore, some of his verdicts have been featured in the Arizona Attorney magazine and TopVerdict.com, and he has been rated Distinguished* through Martindale-Hubbell.

