Matthew Gioffre

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...

Mark S. Cappuccio is Chair of the firm's Tax Assessment Appeals practice group. He is an experienced civil trial attorney and has extensive background in the areas of commercial litigation, real estate, zoning, condemnation and tax assessment law. As a member of the Firm's Zoning and Land Use Group he represents individuals, businesses and municipalities in a variety of real estate matters including land use, zoning and condemnation cases. He has been appointed to serve as a mediator in the M...

Michael Fenerty is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

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

Fred J. D'Angelo, Jr., concentrates his practice on the representation of management in labor and employment law. His experience includes representation of employers in both traditional labor relations and employment litigation. This experience includes representing employers on union prevention campaigns, collective bargaining negotiations, and labor contract administration. Fred has represented employer clients in virtually all industries, including manufacturing, shipping, transportation, ...

After nearly thirty (30) years of distinguished full-time practice in the area of Construction Law, Margaret Underwood is now Of Counsel to Horn Williamson. During her full-time practice of law, Ms. Underwood provided high-level legal services to local, national, and international owners, contractors, and subcontractors on many of the largest and most prestigious construction projects located in and around the Philadelphia Area and as far away as Europe and the Marshall Islands. Her extensive...

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...

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.

Marla A. Joseph is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Marla A., 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 Marla A. is held by other top lawyers in the same geographic and legal practice area.

Edward M. Glickman joined the firm’s Philadelphia office in April 2009 as of counsel in the Business Law Department. He is a member of the Private Client Services Practice Group who concentrates his practice in the areas of tax and estate planning, closely held business succession planning, and the administration of estates and trusts. He also serves as an executor and trustee of numerous estates, trusts and charitable foundations. Edward has served on the board of trustees and the exec...