Sean P. Mahoney

Brett Zeitlin is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Brett, who practices law in Philadelphia, Pennsylvania, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brett is held by other top lawyers in the same geographic and legal practice area.

Deborah M. Minkoff is a member of the firm, resident in the Philadelphia office. She joined the firm in 1984 and is vice chair of the Global Insurance Department, where she represents clients in complex coverage litigation and counsels clients on liability coverage issues. Deborah’s representative cases include disputes under claims-made liability coverages, employers liability coverage, professional liability coverage, medical professional liability coverage, and sexual misconduct clai...

Kevin Birkhead is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Kevin, who practices law in Fort Washington, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin is held by other top lawyers in the same geographic and legal practice area.

With a national reputation only exceeded by his regional stature, Steven L. Sugarman is widely considered the premier practitioner of community association law in Pennsylvania. Steve was the founding principal of the esteemed community association law firm, Steven L. Sugarman & Associates, and its merger with Gawthrop Greenwood in August 2023 created one of the largest law firms supporting homeowners associations (HOAs), planned communities, condominium associations and cooperatives in Pe...

Jennifer W. Karpchuk represents companies and individuals in various matters related to state and local taxation, with an emphasis on the minimization of state and local tax obligations. She has extensive experience handling state and local tax matters, including those related to: corporate income taxes, franchise taxes, gross receipts taxes, excise taxes, personal income taxes, sales and use taxes, business privilege taxes, and real estate taxes. Jennifer serves in a number of leadership rol...

Curtis B. Toll represents developers and corporations in connection with the acquisition, development, transfer, financing and sale of environmentally contaminated real estate. He focuses his practice on complex project redevelopments, environmental liability transfers, and the management and mitigation of environmental risk. Curt structures, negotiates and manuscripts various specialized environmental contracts and insurance products, including cost cap, pollution legal liability and integra...

Jennifer Hermansky is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Jennifer, who practices law in Philadelphia, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer is held by other top lawyers in the same geographic and legal practice area.

Guy Matthews is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Guy, who practices law in Media, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guy is held by other top lawyers in the same geographic and legal practice area.

Named “Female Business Leader of the Year” by the Chester County Chamber of Business and Industry, Sandra L. Knapp is a member of the Business Department at Gawthrop Greenwood and practices in the fields of Business Law, Commercial Transactions, Admiralty/Maritime Law, Real Estate Law, and Banking and Finance. She represents clients in a broad range of transactional and general corporate matters, including asset-based lending transactions, mergers and acquisitions, marine finance ...

Elliott R. Feldman is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Elliott R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elliott R. is held by other top lawyers in the same geographic and legal practice area.