Carin A. O'Donnell

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...

Alexander L. Scarola is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Alexander L., 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 Alexander L. is held by other top lawyers in the same geographic and legal practice area.

Jason S. Weiss is an associate at Wapner, Newman, Wigrizer, Brecher & Miller, P.C in Philadelphia, Pennsylvania. His practice focuses on representing victims who are injured due to medical malpractice , motor vehicle accidents , defective products , and premises liability . Since joining the firm, Mr. Weiss has been honored to serve as the associate for Partner Steven G. Wigrizer. Respected by his clients and peers alike, Mr. Wigrizer has been a past president of the Philadelphia Trial La...

John H. Filice is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships). John H., who practices law in Colmar, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

Alan R. Gries is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Alan R., 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 Alan R. is held by other top lawyers in the same geographic and legal practice area.

Caleb’s practice focuses on complex environmental litigation and environmental compliance. Caleb has represented clients in state and federal courts and in administrative proceedings. In his environmental litigation practice, Caleb often represents corporate clients in cost recovery, contribution and government enforcement actions under Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Caleb has litigated such matters through trial and has also helped clien...

Dennis has a special interest in disputes involving technical or scientific issues where he can utilize his engineering training. That technical training is also at the heart of his methodical and structured approach to representing his clients. His practice includes the defense of manufacturers, retailers, and property owners in a variety of product liability, pharmaceutical, and premises liability actions. In addition, Dennis represents businesses in commercial litigation, contract disputes...

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. ...

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...

Sol H. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Sol H., who practices law in Philadelphia, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sol H. is held by other top lawyers in the same geographic and legal practice area.