John A. "Jack" Guernsey

James R. Ronca is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. James R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

Former Chair of the American Bar Association's Superfund and Natural Resources Damages Litigation Committee, Shoshana (Suzanne Ilene) Schiller (she/her) is a partner in the firm’s litigation group, handling a wide range of disputes with particular experience in CERCLA, cost recovery, contribution and real estate litigation. Shoshana is AV® Preeminent® Peer Review Rated* through Martindale-Hubbell® and a Senior Fellow of the Litigation Counsel of America, trying jury and non-...

Jeffrey S. Gross is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Jeffrey S., who practices law in Philadelphia, Pennsylvania, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey S. is held by other top lawyers in the same geographic and legal practice area.

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 ...

Jessica E. Christie is an Associate in the Labor & Employment group of the Pittsburgh office. Her practice focuses on the defense of employers in workplace-related litigation, with particular emphasis on legal writing, research, and motion practice. She brings a broad civil litigation background to the group, having previously handled cases involving insurance defense, product liability, and medical malpractice. Jessica began her legal career as a judicial law clerk to the Honorable Gary ...

Matthew I. Weinstein is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Matthew I., 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 Matthew I. is held by other top lawyers in the same geographic and legal practice area.

Vanessa Albert Lowry focuses her practice on tax, public finance, and asset securitization matters, as well as investment and repurchase agreements.

Ellen C. Brotman began her career as a law clerk in the United States District Court, Southern District of New York. She has served as an Assistant Federal Defender in Philadelphia, PA and practiced in small, medium and large firms with a focus on criminal defense, appellate advocacy, professional responsibility and ethics. She has defended a wide variety of high-profile criminal cases, including political and public corruption, securities fraud, tax fraud, money laundering, currency structur...

Steven G. Wigrizer is an experienced trial attorney who has been repeatedly recognized as one of the best in his field. His devotion to and compassion for his clients have earned him a high level of client loyalty, while his preparation and understanding of complex cases have won him the respect of his opponents and colleagues. Few lawyers can match this unique combination. Mr. Wigrizer concentrates his practice in complex civil litigation including medical malpractice , products liability , ...

Helene S. Jaron is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Helene S., 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 Helene S. is held by other top lawyers in the same geographic and legal practice area.