John F. McKenna

John represents a broad array of clients, ranging from Fortune 500 companies to smaller closely held businesses, facing diverse environmental issues. John is co-practice leader of the firm's New Jersey practice, is a partner in the firm’s environmental litigation group, and is also regularly called upon by clients to handle site remediation matters and complex negotiations with government entities and private parties. John’s work on contaminated sediment sites and related litigati...

Aneesah El-Amin-Jaamia is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Aneesah, who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aneesah is held by other top lawyers in the same geographic and legal practice area.

William Hussey focuses his practice on matters of federal, state, local and international taxation. As part of a multidisciplinary team, Bill counsels clients in structuring their business and investment affairs in a tax-efficient manner, from the selection, formation and operation of business entities to the disposition of those entities. Bill provides guidance on the ongoing tax obligations and opportunities available to clients in all manner of their domestic and international operations. ...

Jonathan Spergel is the immediate past managing partner of Manko, Gold, Katcher & Fox LLP in Bala Cynwyd, Pennsylvania, the environmental and energy law firm with which he started his legal career in 1993. He handles a wide variety of environmental legal issues, including the environmental aspects of commercial transactions and brownfields sites, environmental insurance procurement and coverage issues, public funding opportunities, regulatory compliance counseling, and litigation for comm...

Jennifer L. Zegel is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Jennifer L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2025. 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.

A partner in Willig, Williams & Davidson’s labor department, Amy L. Rosenberger represents labor unions and individual employees before state and federal courts and in arbitrations, negotiations and administrative proceedings. With more than 15 years of experience as a labor practitioner, Amy also counsels and trains employees and union representatives with respect to employment disputes and their rights under the law. Amy considers it a privilege to assist working individuals by ad...

Daniel Cooper is a partner at Sterlington PLLC and Head of the firm’s Private Wealth practice . Based in Philadelphia, Pennsylvania, he advises founders, entrepreneurs, individuals, and families on trusts and estates matters, wealth transfer planning, and strategies for preserving and managing assets across generations. Daniel counsels clients through significant wealth transition events, including business sales, liquidity events, succession planning, estate and gift tax planning, phil...

Bernard Kolodner is a partner in the Business and Finance Department and the Practice Leader of the Real Estate Group. He practices in the areas of development, design and construction, purchase and sale, leasing ( landlord and tenant representation), joint ventures and partnerships, financing, zoning, permitting, tax assessment appeals, and charitable exemptions. Bernie has extensive experience in developing shopping centers and other commercial developments, from acquisition through permitt...

Todd Kantorczyk is a partner at the environmental and energy law firm of Manko, Gold, Katcher & Fox. He has extensive experience advising clients on complex issues related to regulatory compliance, litigation, and transactional matters, particularly in the areas of wetlands and stormwater permitting, chemical regulation, air, climate change, and energy. Todd’s practice has included matters related to chemical regulation under the Toxic Substances Control Act, as well as natural gas ...

Barbara Rittinger Rigo is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Barbara Rittinger, who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barbara Rittinger is held by other top lawyers in the same geographic and legal practice area.