Catherine T. Barbieri

Dennis has a special interest in disputes involving technical or scientific issues where he can utilize his engineering training. That technical training is also at the heart of his methodical and structured approach to representing his clients. His practice includes the defense of manufacturers, retailers, and property owners in a variety of product liability, pharmaceutical, and premises liability actions. In addition, Dennis represents businesses in commercial litigation, contract disputes...

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

Danielle Dietrich is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Health Care Law. Danielle, who practices law in King of Prussia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle is held by other top lawyers in the same geographic and legal practice area.

Andrea M. Kirshenbaum is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Andrea M., 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 Andrea M. is held by other top lawyers in the same geographic and legal practice area.

Christopher A. Tinari concentrates his practice in the representation of management in labor and employment matters. Chris maintains a national practice of representing employers in all aspects of labor and employment law including sexual harassment, race, national origin, disability and age discrimination cases, wrongful discharge, defamation, slander, and other state law and constitutional claims. As an active litigator, Chris has extensive experience in handling a variety of complex litiga...

Peter F. Vaira serves as Special Counsel to Weir LLP in Philadelphia, Pennsylvania. Over the course of more than 50 years in practice, Mr. Vaira has represented clients in complex criminal defense , white-collar matters, civil litigation , and alternative dispute resolution proceedings in state and federal courts. His practice includes white-collar criminal defense, internal and parallel investigations, antitrust matters, corporate crisis management, and complex commercial disputes. In additi...

Howard is a nationally recognized real estate attorney who has been representing developers, operators, investors, and lenders in their most complex transactions for more than 30 years. He is a leading practitioner in the joint venture arena, adept at structuring sophisticated, multi-party agreements, and negotiating transactions involving diverse capital sources such as private equity, public finance, preferred equity, and senior debt. Howard also focuses his practice on guiding development ...

George has been advising management in labor and employment matters for more than 20 years, with a focus on traditional labor matters such as collective bargaining and union-management relations, employment litigation, and wage and hour advice and litigation in both the public and private sectors.George represents businesses, municipalities, nonprofits, and educational institutions in all aspects of labor and employment law, including federal and state court trial proceedings involving equal ...

A former Chief Deputy City Solicitor for the City of Philadelphia, Ralph J. Teti is a partner with Willig, Williams & Davidson. He focuses his practice on labor representation, including representation of clients in grievance and interest arbitrations, state and federal courts, and before numerous boards, agencies and commissions. Considered by his peers as a leading authority on federal and state election law and regulation, Ralph also serves as counsel for political candidates, politica...