Thomas A. Leonard III

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...

Jennifer M. Horn is an accomplished attorney with comprehensive experience in client representation and litigation. She has built her practice representing owners, construction managers, contractors, subcontractors, suppliers, sureties, and homeowners in matters arising from public and private construction projects. Jennifer leads the Horn Williamson Construction Practice Group. She has extensive skill representing clients with delay claims and routinely works with expert witnesses to prosecu...

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...

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...

Patrick J. O´Connor is vice chairman of Cozen O´Connor. He is a trial lawyer who focuses his practice on litigation arising out of contracts, banking matters, estates, professional liability involving legal and accounting matters, health care, and aviation-related claims. Prior to joining Cozen O´Connor in 1973, he served as law clerk to the Hon. Thomas J. Clary, chief judge of the U.S. District Court for the Eastern District of Pennsylvania, and was an associate attorney at...

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

Whether in the courtroom or the community, Stewart L. Cohen has worked relentlessly as an advocate on behalf of his clients for over thirty years. Mr. Cohen has achieved seven-figure and higher recoveries for scores of his clients over the course of his career. Mr. Cohen is a shareholder in the firm, focusing his practice on complex civil litigation, including medical malpractice, workplace accidents and class actions. His skill as a trial lawyer has resulted in a long record of successes inc...

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

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.

For more than 30 years, co-founding partner Ezra Wohlgelernter has maintained a diverse practice portfolio including a successful history of motor vehicle and truck litigation, premises liability claims, medical negligence litigation, and significant personal injury claims. Ezra has represented victims of unsafe working environments, drunk driving and trucking accidents, operating room neglect, and civil rights violations. Ezra’s robust legal experience spans a broad spectrum of areas a...