Diane M. Haller

Matt is a graduate from the University of Notre Dame, where he was a member of the Men’s Varsity Basketball Team. He received his Juris Doctorate from Arizona State University in 2003. Matt is a shareholder focusing his practice in plaintiff’s catastrophic personal injury and wrongful death and criminal law. In his nearly ten years as a lawyer, Matt has distinguished himself in the courtroom and the community. He is passionate about his clients and dedicated to seeking justice on ...

Kathleen Stillman is a partner at Stillman Smith Gadow, with her practice focused solely on family law matters. Ms. Stillman has been a Certified Specialist in Family Law since 2021 and a fellow of the American Academy of Matrimonial Lawyers (AAML) since 2024. She brings to her practice thirteen years of teaching experience, advocating for children, and working with families. Ms. Stillman has received recognition for community service in the area of legal services and regularly serves as a co...

William H. Anger provides his clients with the benefit of more than 37 years of experience in structuring loan, business, real estate, and water rights transactions, as well as in representing business and public clients as an advocate in litigation and appeals related to similar transactions. Bill’s perspective is enhanced by his experience on both sides of deals, and he benefits clients by structuring transactions that stand up in the long run. CLIENTS Cities, Commercial Real Estate L...

Kevin practices in the area of civil litigation, with an emphasis on aviation law, commercial litigation, medical malpractice, product liability, wrongful death and personal injury. Kevin has handled cases for clients in some of the largest lawsuits litigated in Arizona. He represents clients in claims and suits arising out of a variety of issues. Kevin is a trial lawyer with over 25 years of experience before judges, juries and arbitrators. Although he has tried many cases, Kevin focuses on ...

Kathryn K. McCormick is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Kathryn K., who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathryn K. is held by other top lawyers in the same geographic and legal practice area.

Matt Boatman joined Gallagher & Kennedy’s Personal Injury & Wrongful Death group in 2013. Since coming to the firm, he has been a member of multiple trial teams in several high profile cases. He has been recognized by the National Trial Lawyers as a top 40 civil attorney under the age of 40 in Arizona. Matt was part of the team in the Yarnell, Arizona Hotshot Firefighters’ survivors’ cases, complex medical malpractice cases that have reached multi-million dollar sett...

Paul Kular began his legal career practicing with a private law firm in Scottsdale, Arizona. In 2005, he was recruited by Travelers Insurance to represent insureds in their construction defect department. Shortly thereafter, Paul also began working in Travelers subrogation department. At the time he left Travelers Insurance as Senior Counsel, he was handling all of Traveler's Insurance construction defect and subrogation cases in Arizona, as well as handling complex tort defense cases. Prior ...

Jon is a partner at O'Steen & Harrison, PLC. He joined the firm in 2005 and practices in the areas of personal injury, car accidents, contaminated food, legal malpractice, insurance bad faith, defective products and commercial litigation. He graduated from Occidental College in 2002 (B.A., Economics and Political Science) and the Arizona State University College of Law in 2005 (J.D., cum laude). He served as Senior Articles Editor of the Arizona State Law Journal and was a Willard H. Pedr...

Zachary D. Sakas is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Zachary D., who practices law in Phoenix, Arizona, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Zachary D. is held by other top lawyers in the same geographic and legal practice area.

My practice has been divided 50/50 between white-collar criminal defense and commercial litigation - most often involving allegations of fraudulent conduct - since I left the U.S. Attorney's Office in 1980.