David W. Wilhelmsen

Betsy J. Lamm is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Betsy J., 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 Betsy J. is held by other top lawyers in the same geographic and legal practice area.

Philip C. Gerard is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Family Law. Philip C., who practices law in Phoenix, Arizona, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philip C. is held by other top lawyers in the same geographic and legal practice area.

Robert C. Ashley is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Robert C., 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 Robert C. is held by other top lawyers in the same geographic and legal practice area.

Brett B. Larsen is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Brett B., 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 Brett B. is held by other top lawyers in the same geographic and legal practice area.

Shelley Detwiller DiGiacomo is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Corporate Governance Law, Corporate Law, Securities Regulation and Venture Capital Law. Shelley Detwiller, who practices law in Phoenix, Arizona, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shelley Detw...

Kyle Hettinger, a partner in the firm's Real Estate practice, has more than 25 years of experience in the areas of real estate, commercial lending and transaction and business counseling. Kyle represents clients with respect to development of master-planned communities; purchase and sale of retail, commercial, industrial, hotel, residential and multi-family property; commercial development; commercial leasing; CC&R’s; development agreements; easements and rights-of-way; title insura...

OVERVIEW Trevor practices in the areas of environmental and natural resources compliance, permitting, and litigation. Trevor advises clients on a variety of environmental topics, including federal, state, and local air programs; stormwater and SPCC compliance; and waste and hazardous waste management. Trevor has worked on various environmental issues in administrative appeals and in state and federal courts, as well as advised local administrative boards during appeals. Trevor also assists cl...

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

Jake B. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Jake B., 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 Jake B. is held by other top lawyers in the same geographic and legal practice area.

Hannah concentrates on commercial litigation and has represented clients in a wide variety of areas such as breach of contract and fiduciary duties, fraud, business ownership disputes, construction litigation, and product liability. Prior to joining Gallagher & Kennedy, Hannah was a law clerk for Justice Robert M. Brutinel of the Arizona Supreme Court, where she worked on a multitude of legal issues, including issues concerning the Arizona and U.S. Constitutions, statutory interpretation ...