Nabeal Sunna

Doug John’s law practice focuses on tax controversy and state and local taxation, with an emphasis on property tax counseling and litigation. A senior partner in the firm and a Best Lawyers in America honoree, Doug works with individuals and companies to navigate Arizona’s and Nevada’s complex state and local tax systems in order to minimize their income tax, sales and use tax, and property tax liability. Over the past six years, Doug has reduced his clients’ property ...

DAVID L. CASE is a shareholder at Tiffany & Bosco, P.A., with over 35 years of experience in tax planning, estate planning, probate and trust administration, and business transactions. David was involved in finalizing and passing the new Arizona Trust Code, and has written and made presentations on this topic, as well as numerous tax planning matters, for the State Bar of Arizona and other organizations. In addition to the formulation of estate plans while addressing wealth transfer tax i...

For over 40 years, Otto has helped individuals, business owners, and employers comply with and plan for laws and regulations related to federal and state taxation, employee benefits, and executive compensation. He assists clients with audits, investigations, and regulatory disputes related to these areas, and advises businesses and their owners regarding business transactions and long-term business succession and estate planning. Otto also has significant experience in federal procurement reg...

Mr. Silverman focuses his practice on energy law. Before joining the Firm, he served as General Manager of Salt River Project (SRP) from 1994 to 2011. Well known throughout the Valley, Mr. Silverman serves in leadership roles for many business and nonprofit organizations.

For nearly 30 years, Chris has focused his practice on high-profile civil and criminal environmental investigations and enforcement actions throughout the United States. A nationally-recognized Resource Conservation and Recovery Act (RCRA) practitioner, Chris represents national trade associations, oil and gas companies, manufacturers, and mine operators on issues involving the identification and management of solid and hazardous wastes, financial assurance, corrective action, permitting, boi...

Marvin is a partner with substantial experience representing clients in complex commercial litigation in state and federal courts in Arizona and Nevada. His practice primarily focuses on business disputes and litigation, including partnership disputes, real estate litigation, business torts, and fraud claims. Additionally, Marvin has extensive experience litigating debtor/creditor relationships, including prosecuting fraudulent transfer actions and obtaining prejudgment remedies; defending cl...

Isaac S. Crum assists business clients in developing, protecting, and enforcing intellectual property rights through consulting and litigation. His experience includes advising consumer product companies, startups, and non-profit organizations on intellectual property strategies and litigating complex cases involving patents, trademarks, trade dress, copyrights, trade secrets, and unfair competition.

P. Derek Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental. P. Derek, who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which P. Derek is held by other top lawyers in the same geographic and legal practice area.

Mr. Brnilovich established roots in the western part of the Phoenix metropolitan area (referred to as the “West Valley”) in 1979 and has been representing the area’s businesses and individuals for more than 40 years. He has substantial legal experience with business clients in the areas of real estate, construction, corporate governance, small business formation, and succession planning.

Brian Holohan is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Legal Malpractice Law - Defendants and Litigation - Insurance. Brian, who practices law in Phoenix, Arizona, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.