Catherine T. Barbieri

Nina K. Markey is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Nina K., 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 Nina K. is held by other top lawyers in the same geographic and legal practice area.

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...

Stuart W. Davidson has represented labor unions and employee benefit plans since graduating from Harvard Law school in 1982. Stuart began his legal career by successfully defending the pension rights of state employees in a case that was ultimately decided by the Pennsylvania Supreme Court. During Stuart’s legal career, he has been involved in representing a wide range of union workers, including musicians, longshoremen, machinists, steelworkers, firefighters, teamsters, police officers...

As a principal of the law firm of Sidkoff, Pincus & Green, P.C., Robert A. Davitch is committed to representing Pennsylvanians in Philadelphia, Montgomery, Bucks, Chester, Delaware, Lehigh and Northampton Counties. Mr. Davitch focuses his practice on handling cases that involve employment and labor law, civil rights, constitutional law, and plaintiff personal injury.Mr. Davitch earned his undergraduate degree from The Pennsylvania State University, graduating Phi Beta Kappa. He went on to...

David J. Colleran is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. David J., 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 David J. is held by other top lawyers in the same geographic and legal practice area.

Joseph E. Mayk is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Services Regulation Law. Joseph E., who practices law in West Chester, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph E. is held by other top lawyers in the same geographic and legal practice area.

Daniel S. Weinstock focuses his practice on representing families of children with cerebral palsy and brain or spinal cord injuries caused by medical negligence. He has won multimillion dollar verdicts and settlements against obstetricians, pediatricians, and other healthcare providers in 15 different states, and he regularly tries catastrophic medical negligence cases in courtrooms across the country on a pro hac vice basis. In 2012, Dan obtained a record-breaking $78.5 million verdict on be...

Thomas G. Wilkinson, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Ethics and Professional Responsibility Law and Professional Malpractice Law - Defendants. Thomas G., who practices law in Philadelphia, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas G. is held by other top lawyers in the same geographic and legal practice area.

Simon T. Haileab is an accomplished and skilled trial lawyer at Wapner Newman, P.C. In courtrooms and communities across Pennsylvania and New Jersey he fights to ensure injured victims gets a fair shake. Mr. Haileab is a well-respected member of his profession who is known for being tenacious while advocating for his clients in all personal injury matters. He has garnered recognition for his advocacy skills from his opponents, the judiciary, and most importantly, the countless clients he has ...

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...