Todd Feltus

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 ...

Andrew Pappas is a nimble advocate and trusted counselor whose practice focuses on appeals, complex commercial disputes, and governmental and regulatory matters. Before joining Osborn Maledon, Andrew served as general counsel of the Arizona House of Representatives, where he was the principal legal advisor to the Speaker and members of the majority caucus. In that capacity, Andrew provided legal, policy, and strategic advice on a vast range of issues, with a particular focus on elections, red...

Frank Verderame is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Frank, who practices law in Phoenix, Arizona, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank is held by other top lawyers in the same geographic and legal practice area.

Diane M. Johnsen is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Environmental Law. Diane M., who practices law in Phoenix, Arizona, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane M. is held by other top lawyers in the same geographic and legal practice area.

John A. Hink is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John A., who practices law in Phoenix, Arizona, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

Daniel Beeks is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Daniel, 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 Daniel is held by other top lawyers in the same geographic and legal practice area.

Kelly L. Mendoza is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kelly L., 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 Kelly L. is held by other top lawyers in the same geographic and legal practice area.

Meghan heads the firm’s Energy, Water, and Utility Law practice and is a renowned industry leader in the electric, renewable energy, natural gas, water, telecommunications, and other innovative technologies sectors. Her clients value the unique blend of her legal acumen with the substantive utility business knowledge that she developed serving for years as both Associate General Counsel of Regulatory and then as head of the revenue requirement and rate design departments for Arizona&rsq...

Known for his extensive work in corporate and business law, Michael Aguirre excels at helping organizations of all sizes and maturities address complex legal and business challenges. Michael has wide-ranging experience in corporate finance, mergers and acquisitions, and general business transactions, as well as counseling executive teams and boards on corporate governance and various corporate matters. He has also advised clients in complex state, federal, and local regulatory environments, i...

Michael W. Patten practices in the areas of public utilities, energy and telecommunications, and has extensive litigation experience. He appears regularly before the Arizona Corporation Commission (ACC) on matters involving public utilities, electricity, water and wastewater, renewable energy, energy efficiency, gas and telecommunications matters including rate cases, rulemakings, financings, line sitings, service area extensions, formal complaints and various ACC proceedings addressing polic...