Thomas J. "Tom" Duffy

Dan, a Philadelphia personal injury attorney and partner in the firm, concentrates his practice almost exclusively on the representation of plaintiffs in products liability and professional malpractice actions. He currently represents multiple families for injuries and fatalities received as a result of defective automobiles, tires, airbags, seatbelts, and child/infant seats, and has helped secure multi-million dollar settlements in his career. In 2014, Dan, along with Stewart Eisenberg, obta...

Marni Sabrina Berger is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Marni Sabrina, 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 Marni Sabrina is held by other top lawyers in the same geographic and legal practice area.

A partner in Willig, Williams & Davidson’s labor department, Amy L. Rosenberger represents labor unions and individual employees before state and federal courts and in arbitrations, negotiations and administrative proceedings. With more than 15 years of experience as a labor practitioner, Amy also counsels and trains employees and union representatives with respect to employment disputes and their rights under the law. Amy considers it a privilege to assist working individuals by ad...

Carter N. Williamson is a construction practice attorney who has represented construction industry clients including contractors, subcontractors, suppliers, and owners. He has a background in litigating and resolving legal construction matters from routine common disputes to complex, multi-party litigation. He has resolved construction matters through litigation, arbitration and mediation in the five-county Philadelphia area, the United States District Court for the Eastern District of Pennsy...

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.

Daniel P. O'Meara is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Daniel P., who practices law in Philadelphia, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

Cheryl A. Upham is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Cheryl A., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cheryl A. is held by other top lawyers in the same geographic and legal practice area.

E. Douglas DiSandro is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. E. Douglas, 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 E. Douglas is held by other top lawyers in the same geographic and legal practice area.

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

Mark Dischell is known not only for his success with his clients, but also for the long-standing relationships he maintains with the families he helps. He has authored and co-authored numerous articles such as “Joint Custody-A Legal Overview,” “Religion and Custody Cases,” The Pennsylvania Marital Settlement Agreement Handbook, Parenting Coordination in PA: an Update on an Evolving Topic; as well as provided numerous course material for the Pennsylvania Bar Institute. ...