John S. Summers

Margaret A. Joy is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Margaret A., who practices law in West Chester, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret A. is held by other top lawyers in the same geographic and legal practice area.

Noel A. Fleming is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Noel A., 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 Noel A. is held by other top lawyers in the same geographic and legal practice area.

Kristine Grady Derewicz represents employers in all aspects of labor and employment law, ranging from proactive counseling to litigation, in both union and non-union settings. She has tried numerous discrimination and Family and Medical Leave Act cases to successful resolutions, including mediated settlements and jury trials, and she has substantial knowledge of: Title VII and Title IX The Americans with Disabilities Act The Fair Labor Standards Act The National Labor Relations Act She appear...

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 ...

Shira R. Yoshor is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Employment Law - Management and Litigation - Labor and Employment. Shira 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 Shira R. is held by other top lawyers in the same geographic and legal practice area.

David G. Mandelbaum is a shareholder in Greenberg Traurig's Litigation and Environmental Groups. http://www.gtlaw.com/People/davidmandelbaum CONCENTRATION Air, Water, and Waste Regulation Superfund and Contamination Climate Change Oil and Gas Development Water Rights SIGNIFICANT REPRESENTATIONS Representation of industrial clients in wastewater, solid waste, and air permitting matters; administrative appeals; and enforcement actions Advises clients on sustainability and climate change, risk m...

Diana Silva is a partner with Manko, Gold, Katcher & Fox, LLP, where she concentrates her practice in environmental litigation, including statutory contribution and cost recovery actions, toxic tort claims, contractual disputes, and administrative enforcement actions. She also counsels clients on environmental regulatory compliance matters, as well as permitting related to land development issues.

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.

William J. Leahy is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. William J., 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 William J. is held by other top lawyers in the same geographic and legal practice area.

Leonard Lundy is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Leonard, who practices law in Philadelphia, Pennsylvania, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard is held by other top lawyers in the same geographic and legal practice area.