Nelson Mixon

Alisa Gray is an AV-rated partner at Tiffany & Bosco, P.A. in Phoenix, Arizona. Her practice emphasizes probate-related litigation, administration, and mediation, representing corporate trustees, professional fiduciaries, and individuals in such matters as complicated or contested guardianships, conservatorships, estates, and trusts. Alisa is a certified yoga instructor and, in addition to teaching regularly at Desert Song Healing Arts Center, frequently offers her yoga instruction and in...

Lincoln is one of the top plaintiff’s personal injury attorneys in Arizona and the Southwest, with experience and success in a wide range of litigation and appellate matters. He specializes in plaintiffs’ catastrophic personal injury and wrongful death litigation, including consumer advocacy, elder abuse, motor vehicle accidents, professional negligence, products liability, and insurance bad faith litigation. Lincoln is committed to serving his clients with the passion, empathy, a...

Since 2009, Mark Worischeck has served as the firm's President and Managing Shareholder. Mr. Worischeck has earned Martindale-Hubbell's highest AV® Preeminent™ rating. He has been recognized as one of Arizona's Finest Lawyers and selected to be included in Best Lawyers in America for 2013-2022 for his work in aviation law, commercial and construction litigation, insurance law, insurance litigation, personal injury and product liability litigation. He was also named by Best Lawyers a...

David Lish is a top attorney recognized by Best Lawyers in the practice area of Criminal Defense: General Practice. David has more than 20 years of experience in Arizona’s criminal justice system. Before entering private practice, David spent eight years as a prosecutor, gaining extensive courtroom experience and handling criminal matters from the government’s side. He later transitioned to criminal defense, representing individuals facing serious and complex criminal allegations....

David focuses his practice in family law. He assists clients with divorces, child custody issues, post-decree modifications, and pre- and post-nuptial agreements. David is experienced with high conflict family law matters and has tried numerous cases. He has particular expertise when dealing with issues relative to children both during dissolution and issues that arise after a client’s divorce or establishment matter. David passionately advocates for what matters most to his clients and...

Karen represents health care systems, hospitals, clinics, and other providers in matters of quality management, medical staff credentialing and peer review, medical staff structures, bylaws and confidentiality, as well as National Practitioner Data Bank, state professional board, and other government reporting. She also regularly assists health care providers with state licensure and Medicare certification, survey compliance, Joint Commission accreditation, EMTALA compliance, patient consent,...

Jeremy D. Zangara is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Jeremy D. practices law in Phoenix, Arizona Best Lawyers has recognized Jeremy D. Zangara since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeremy D. Zangara is held by other lawyers.

Ryan McPhie is a top attorney recognized by Best Lawyers in the practice area of Criminal Defense: General Practice. Ryan, who practices law in Mesa, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan is held by other top lawyers in the same geographic and legal practice area. Ryan McPhie is an experienced criminal defense attorney who has handled thousands of cases, from traffic offenses to serious ...

Frederick M. Cummings has extensive trial experience in the areas of healthcare, medical malpractice and medical products liability defense litigation. Mr. Cummings also has significant experience in all aspects of complex litigation and is an experienced arbitrator and mediator.

Theresa’s practice has been spent in fast-paced jury trials, employment and fair housing litigation, and appellate work. In her criminal practice, Theresa handled cases involving fraudulent schemes, tax fraud, real estate fraud, and racketeering. Theresa is a regular presenter to lawyers and the community on topics including Civil Rights, Harassment Free Work Environments, and the Rules of Evidence. Before joining Osborn Maledon, Theresa served as Section Chief Counsel for the Arizona A...