Regina O'Brien Thomas

Senior Counsel
Regina O'Brien Thomas is a former partner in the Business and Transactions Department and a member of the Private Client Services Group of which she is the former Practice Leader. She has been with Ballard Spahr since 1973.

Professional Highlights

Professional Activities

Pennsylvania Bar Association

Philadelphia Bar Association, Probate and Trust Law Section, former Chair

Trustee of various private clients and charitable trusts

American College of Trust and Estate Counsel, Fellow; Past member of the Nominating Committee for State of Pennsylvania

Past member of the Pennsylvania Joint State Government Commission Advisory Committee on Decedents' Estate Laws

Recognition & Accomplishments

The Best Lawyers in America, trusts and estates, trusts and estates litigation, 1987-2023; "Lawyer of the Year," Trusts and Estates (Philadelphia), 2013

Bloomberg Personal Finance, among top four trusts and estates lawyers in Philadelphia and among 57 top such lawyers in the United States

National Registry of Who's Who, life member

Philadelphia Magazine Best Lawyers, 1999

Board Memberships & Community Service

Pennsylvania Horticultural Society Committees: Search (Chair), Development, Strategic Planning, and Governance and Nominating (Chair)

Chanticleer Foundation, Secretary and Treasurer

Rodin Museum Steering Committee

Women for Waterworks Committee

Pennsylvania Horticultural Society

Lecturer and author on horticultural topics

Minding Your Mind



Boston University School of Law (J.D., cum laude, 1973)
Invited to join Boston University Law Review

Connecticut College (B.A., magna cum laude, 1970)
Member, Phi Beta Kappa