David C. Onuschak

Tim is a shareholder, member of the Gallagher & Kennedy board of directors and head of the firm’s Tax Law practice. For over 20 years, Tim has focused his practice in all areas of federal tax law, with an emphasis on partnerships, limited liability companies, C and S corporations, real estate, international taxation, and civil tax controversy. He provides tax planning, structuring and documentation for business and individual clients, including joint ventures and tax-exempt organiza...

Charitie L. Hartsig is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment and Litigation - Trusts and Estates. Charitie 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 Charitie L. is held by other top lawyers in the same geographic and legal practice area.

Tamalyn (Tami) Lewis brings her clients more than 30 years of legal experience and a deep appreciation of our Arizona business culture. A true Arizona native through-and-through, Tami was born in Globe, raised in Safford, and attended Arizona State University. Her experience as a Bankruptcy Extern in the United States Bankruptcy Court in 1982 and 1983 piqued her interest and desire to advocate for the rights of creditors. Over the years, she developed extensive experience representing financi...

Since the beginning of his career, Geoff has built his reputation as a lawyer’s lawyer. He serves as Osborn Maledon’s General Counsel and represents fellow attorneys in all aspects of the practice of law. For the last 30 years, his practice has split between both litigation and preventative counsel, advising on a regular basis to clients about risk management, professional liability issues, legal malpractice, bar discipline, ethics, and law practice management issues. Geoff has be...

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.

Paul M. Gales, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Paul M., 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 Paul M. is held by other top lawyers in the same geographic and legal practice area.

Jeremy D. Zangara is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Jeremy D., 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 Jeremy D. 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.

Mr. Delo practices primarily in the areas of medical malpractice defense, healthcare law, personal injury, and commercial litigation. He focuses his practice on the defense of physicians in medical malpractice cases on behalf of the largest medical liability insurer in Arizona and other carriers. Mr. Delo has significant experience in litigating healthcare coverage issues and has represented health maintenance organizations (HMOs) in numerous matters. He also represents physicians in discipli...

Gary Fletcher is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law and Trusts and Estates. Gary, 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 Gary is held by other top lawyers in the same geographic and legal practice area.