Sanford Gerber

Tom’s practices include a broad range of complex commercial litigation, including business, construction, condemnation, trust and mass tort litigation. He has represented clients in numerous mediations and trials in both state and federal court, arguing before both divisions of the Arizona Court of Appeals, the Arizona Supreme Court and the Ninth Circuit Court of Appeals. Tom has handled exclusively civil litigation matters for more than 25 years, and has substantial experience in comme...

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...

Mark practices commercial litigation and co-chairs the firm’s appellate practice section, handling civil appeals in the state and federal courts. For 25 years, he has represented clients in a wide variety of areas, including business torts and contracts, securities fraud, trade secrets, employment, professional malpractice, officer and director liability, and real estate litigation. Mark has been named a Best Lawyer by the Best Lawyers in America since 2009 , and is also recognized by A...

Nonnie partners with employers and managers in three primary ways: litigation avoidance through counseling and training; investigations and resolutions when issues arise; and litigating complex and challenging cases to defend employer’s actions. Nonnie advises and counsels private and public employers in all aspects of employment law. Nonnie regularly partners with clients to plan and implement reductions in force, severance plans and agreements, and pre-litigation disciplinary matters....

Colin Proksel focuses his practice on complex litigation across a wide set of industries. With over fifteen years of experience, he has a long track record of success representing clients in both state and federal court, alternative dispute resolution processes (including mediation and arbitration), and administrative proceedings. Colin graduated with distinction from the University of Iowa College of Law. Before joining Osborn Maledon, he served as a law clerk to the late Honorable Arthur L....

Stuart Kimball is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Stuart, 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 Stuart is held by other top lawyers in the same geographic and legal practice area.

Shareholder David Villadolid is the senior partner in the firm’s Employment Law section and is recognized as an AV® Preeminent™* 5.0 out of 5 peer review rated attorney in Martindale-Hubbell. With more than 37 years of legal practice, David successfully advises companies, executives, and management on a broad spectrum of business and employment issues including compliance with state and federal laws and regulations. Clients express confidence in David’s ability to provid...

Karen C. Stafford is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Insurance. Karen 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 Karen C. is held by other top lawyers in the same geographic and legal practice area.

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.

Keith has substantial experience litigating complex commercial matters in a variety of contexts, including business torts, injunctive proceedings, legal malpractice defense, and claims against directors and officers. He has served as lead counsel in the defense of class actions. Additionally, Keith represents broker-dealers and investment professionals in the litigation, arbitration, and regulatory arenas. He has been involved in evidentiary injunctive matters on a broad range of issues, incl...