Jon D. Weiss

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

Glenn Hotchkiss practices primarily in the area of commercial litigation, with a focus on breach of contract and business tort claims, including interference with contractual and prospective business relationships, fraud, conspiracy, conversion, defamation, business disparagement, trade secrets, covenants not to compete, and usurpation of corporate opportunity. For example, he has represented shareholders of closely held corporations in breach of fiduciary duty claims, joint venturers in disp...

Preceding his retirement in 2023, Paul M. Weiser was a shareholder in the firm’s Scottsdale office. He focused his practice on commercial landlord/tenant matters, including the drafting, interpreting and enforcing of leases and amendments related to office, retail, medical and industrial properties, real estate brokerage issues, construction claims/defenses, and creditors’ rights/debt collection. He also provided advice and counsel to clients on the day-to-day operation of their b...

Eric Wilhelm is a member of the Real Estate Practice Group in the Firm’s Scottsdale office. Mr. Wilhelm’s practice focuses on a broad range of commercial real estate transactions, including industrial, office and retail leasing, real property sales, acquisitions and development and secured financing. Prior to joining the Firm, Mr. Wilhelm served as Senior Counsel, Real Estate, for PetSmart, Inc., where he provided a pragmatic, business-minded approach toward issue resolution and r...

Olivier A. Beabeau leads the firm’s business litigation and intellectual property practice groups. Olivier’s practice focuses on complex civil litigation at the trial and appellate level, alternative dispute resolution through arbitration and mediation, and trademark and copyright protection in the United States and abroad. He has significant experience litigating high-stakes partnership disputes, contract disputes, securities fraud, residential construction fraud, unfair competit...

Jeffrey L. McLerran is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Health Care and Medical Malpractice Law - Defendants. Jeffrey L., who practices law in Scottsdale, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey L. is held by other top lawyers in the same geographic and legal practice area.

Daniel Torrens is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Daniel, who practices law in Scottsdale, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Derek W. Kaczmarek is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax. Derek W., who practices law in Scottsdale, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Derek W. is held by other top lawyers in the same geographic and legal practice area.

Jason B. Castle has over two decades of unique experience in high conflict custody cases, many of which involve allegations of physical, emotional, or sexual abuse. He is also well-versed in helping families with complicated assets including large businesses and complex estates. He began his law career working for the City of Phoenix Prosecutor’s Office, trying criminal cases before juries and judges. In 2005, Jason pivoted into family law and has since worked to resolve a wide variety ...

About Craig Rosenstein Craig Rosenstein is the founder and owner of Rosenstein Law Group, now open since 2007 in Scottsdale, Arizona. After graduating from Arizona State University College of Law, Craig practiced criminal law. He then opened the Rosenstein Law Group, PLLC, with the first attorney he hired being his then-fiancé' (now wife) of over ten years. Rosenstein Law Group is a full-service criminal defense firm that provides the defense to those accused of all types of charges, w...