Diana Ezrré Robles

Prior to joining Gallagher & Kennedy, Mr. Clark served as a law clerk to the Honorable Mary M. Schroeder, Circuit Judge for the U.S. Court of Appeals, Ninth Circuit. Mr. Clark has also maintained an appellate practice. Prior to focusing his practice on plaintiffs’ personal injury and wrongful death cases, he handled a wide-range of cases, including criminal defense, insurance defense and commercial litigation. His recent experience includes: Served as Co-Lead Counsel for over 70 vic...

Kyle Hettinger, a partner in the firm's Real Estate practice, has more than 25 years of experience in the areas of real estate, commercial lending and transaction and business counseling. Kyle represents clients with respect to development of master-planned communities; purchase and sale of retail, commercial, industrial, hotel, residential and multi-family property; commercial development; commercial leasing; CC&R’s; development agreements; easements and rights-of-way; title insura...

Ms. Villanueva is an attorney in the firm’s Intellectual Property Department. She practices in the areas of domestic and international trademark and copyright prosecution, licensing and enforcement. Ms. Villanueva assists clients with brand development and with identifying various protectable aspects of the clients’ products, services and concepts. She also helps clients with clearing all aspects of advertising, promotional and marketing materials and products, including trademark...

Andrew Pappas is a nimble advocate and trusted counselor whose practice focuses on appeals, complex commercial disputes, and governmental and regulatory matters. Before joining Osborn Maledon, Andrew served as general counsel of the Arizona House of Representatives, where he was the principal legal advisor to the Speaker and members of the majority caucus. In that capacity, Andrew provided legal, policy, and strategic advice on a vast range of issues, with a particular focus on elections, red...

Steve Jackson, the firm's president, has been selected by The Best Lawyers in America® as the 2019 Phoenix "Lawyer of the Year" in Construction Litigation. His practice is concentrated in the areas of construction law, real estate law and commercial litigation, and he represents a broad range of individuals and businesses in the construction and real estate development industries. In addition to client representation, Steve has served as a mediator, arbitrator and expert witness in a numb...

Leonard Aragon is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Leonard, who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard is held by other top lawyers in the same geographic and legal practice area.

Joshua Fisher has tried over two hundred cases before juries in state, federal, and military court, including DUI and vehicular crimes, complex felony and fraud, homicide and second-degree murder, theft, white collar crimes, sex crimes, and various other criminal defense matters. He has also handled administrative and licensing hearings, advocating for professionals before various medical boards in Arizona. After over 15 years working as a government prosecutor, Joshua moved into private prac...

Born and raised in Omaha, Nebraska, Matt Millea attended Catholic schools, including Mount Michael, a Benedictine boarding school in Elkhorn, Nebraska. The discipline and structure of that environment shaped his approach to academics and personal responsibility. Matt competed in track all four years of high school, focusing on the half-mile, and carried that dedication forward to the University of Nebraska, where he completed both his undergraduate and legal studies, graduating with high hono...

Bill Maledon is amongst the most esteemed commercial litigation and trial attorneys in Arizona and across the United States, and has built a widely recognized reputation for leading large-scale and complex commercial matters. He is a prominent figure both in federal and state courts, with notable expertise in antitrust, securities, and sports-related matters. He also has extensive experience in handling appellate matters in both federal and state courts and has acted as mediator and arbitrato...

Thayne has developed significant experience in Indian law. He represents Native American tribes in transactional matters, both on- and off-reservation. In addition to his work with Native American tribes, Thayne represents real estate investors, a Fortune 100 company, an international industrial data management company, and a wide variety of other clients in commercial real estate transactions. A trusted advisor, most of Thayne’s client relationships have existed for more than a decade....