Jimmie Pursell

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...

Kevin is a shareholder, member of the Gallagher & Kennedy board of directors, and head of the firm’s litigation and public bidding and procurement departments. He is keenly attuned to the needs of his clients, developing strategy and implementing solutions that are singularly focused on their goals. Over his 30 year career, his litigation skills have been honed to a razor’s edge, and his civil litigation experience is extensive and far reaching, both in and out of the courtroo...

JIM O'SULLIVAN represents closely-held businesses, including law firms and other service professionals. Serving as general counsel and primary contact for businesses and their owners, Jim focuses on the ongoing legal needs of these clients, as well as strategic planning for growth and ownership succession opportunities. Jim leverages his considerable planning, negotiation and contract drafting experience to counsel clients through key events such as business formation, joint ventures, mergers...

Jennifer L. Sellers is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law, Employee Benefits (ERISA) Law, Employment Law - Management and Health Care Law. Jennifer L., who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Sharon W. Ng is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Employment Law - Management. Sharon W., 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 Sharon W. is held by other top lawyers in the same geographic and legal practice area.

John has substantial experience representing for-profit and not-for-profit companies in a wide variety of legal and business areas, from commercial, employment, tort and insurance-related litigation to real estate, corporate management, health care and school law issues. As a trial lawyer, John has tried more than 100 cases to conclusion, including jury trials, bench trials, arbitration matters and administrative law proceedings. He currently serves as a judge pro tem for the Maricopa County ...

Kathryn K. McCormick is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Kathryn K., who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathryn K. is held by other top lawyers in the same geographic and legal practice area.

Nick Verderame is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Nick, 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 Nick is held by other top lawyers in the same geographic and legal practice area.

Shawn Oller is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Shawn, who practices law in Phoenix, Arizona, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shawn is held by other top lawyers in the same geographic and legal practice area.

Ron Lowe, a partner in the firm's Real Estate & Land Use practice, focuses on real estate transactions and secured real estate financing. He provides representation in virtually all areas of real estate and real estate finance, including homebuilder and community development representation, leasing, financing and workouts. Ron's clients include national and local homebuilders, master planned community developers, commercial landlords and tenants, commercial developers, lenders and borrowe...