John M. O'Neal

William M. Demlong is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law, Insurance Law and Litigation - Insurance. William M., who practices law in Phoenix, Arizona, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William M. is held by other top lawyers in the same geographic and legal practice area.

Neal has extensive experience in real estate, advising clients on the acquisition and sale of all types of commercial property, as well as residential and commercial real estate disputes. He also advises clients on issues related to bankruptcy (debtor/creditor issues), construction, and commercial litigation including the prosecution and defense of complex, multi-party disputes. Neal views his job to be helping individuals and businesses manage their legal risks whether in a transaction or li...

David S. Shughart specializes in the areas of personal injury and insurance litigation. He primarily represents injured individuals and insurance policyholders. Mr. Shughart became a partner in the law firm of Beale, Micheaels, Slack & Shughart, PC in 2013. From 2000 to 2012, Mr. Shughart had his own firm, David S. Shughart P.C., and primarily handled personal injury and insurance-related cases. Prior to that, from 1993 to 2000, he was a partner at a Phoenix law firm representing civil de...

Andrew W. Gould is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Commercial Litigation. Andrew W., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew W. 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...

J.P. Harrington Bisceglia is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. J.P. Harrington, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J.P. Harrington is held by other top lawyers in the same geographic and legal practice area.

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...

Ms. Villanueva is an attorney in the firm’s Intellectual Property Department. She practices in the areas of domestic and international trademark and copyright prosecution, licensing and enforcement. Ms. Villanueva assists clients with brand development and with identifying various protectable aspects of the clients’ products, services and concepts. She also helps clients with clearing all aspects of advertising, promotional and marketing materials and products, including trademark...

Nate’s practice focuses on insurance bad faith and coverage litigation, commercial litigation, general liability litigation, and professional liability litigation. He represents insurance companies, insurance adjusters, global corporations, contractors, business owners, insurance agents, and professionals. He handles all aspects of insurance-related litigation, including advising and defending insurers in bad faith litigation, drafting coverage opinions, advising and defending insurers ...

E. Jeffrey Walsh, who has practiced law for more than 30 years, is an AV ® peer review rated litigator who has been recognized in the 2005 to 2014 editions of The Best Lawyers in America , in Southwest Super Lawyers , including, in 2009, among the "Top 50 in Arizona," in Arizona Business Magazine 's "Top Attorneys of Arizona," and in the Business Journal 's "Best of the Bar in Phoenix Metropolitan Area." His practice focuses on business litigation and trials, real estate litigation, and c...