Christopher L. "Chris" Callahan

Admitted in 1977, trial lawyer Ty Taber is an Arizona and California licensed attorney who focuses his full-time practice in the areas of Personal Injury, Wrongful Death, Medical and Professional Malpractice, and General Civil Litigation. Ty is a sustaining member, past President, and on the Board of Directors of the Arizona Association for Justice. He is also a member of the American Association for Justice and the American Board of Trial Advocates (ABOTA). Recognized by his peers, he has be...

Lawrence I. Kazan is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and DUI / DWI Defense. Lawrence I., who practices law in Phoenix, Arizona, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence I. is held by other top lawyers in the same geographic and legal practice area.

Tamalyn (Tami) Lewis brings her clients more than 30 years of legal experience and a deep appreciation of our Arizona business culture. A true Arizona native through-and-through, Tami was born in Globe, raised in Safford, and attended Arizona State University. Her experience as a Bankruptcy Extern in the United States Bankruptcy Court in 1982 and 1983 piqued her interest and desire to advocate for the rights of creditors. Over the years, she developed extensive experience representing financi...

Valued by clients for his ability to analyze and respond to complicated commercial litigation, David has built a strong practice representing Fortune 50 companies in state and federal courts. He focuses on a wide range of complex litigation, including securities and intellectual property litigation, class action claims, as well as other large commercial disputes. He has provided regular counsel to large public companies facing lawsuits in Arizona who value his ability to advocate both in oral...

Kristin Magin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kristin, 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 Kristin is held by other top lawyers in the same geographic and legal practice area.

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...

Robert C. Ashley is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Robert C., who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert C. is held by other top lawyers in the same geographic and legal practice area.

MARK BOSCO has been a regular lecturer at numerous regional and national mortgage banking and default servicing seminars, and he has published numerous articles on mortgage banking, default servicing and related topics. Mr. Bosco has been appointed as approved Counsel for Federal National Mortgage Association (Fannie Mae) and Federal Home Loan Mortgage Corporation (Freddie Mac) to provide services in the areas of foreclosure, bankruptcy, loss mitigation, eviction, related litigation, and REO ...

Richard S. Plattner is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Richard S., who practices law in Phoenix, Arizona, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard S. is held by other top lawyers in the same geographic and legal practice area.

Joel Nomkin is a partner in the firm's Litigation practice. He has more than 25 years of experience in the areas of complex commercial litigation and appellate law. He also frequently serves as an advisor to in-house counsel on risk management and litigation strategy.