Christen G. Pionzio

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.

John VanLuvanee is acknowledged to be one of Pennsylvania’s premier land use attorneys. He handles zoning, subdivision and land development matters, as well as real estate transactional matters, for developers and property owners. During his career, he has been involved in many significant, precedent-setting land use cases decided by the Commonwealth Court and Pennsylvania Supreme Court. Mr. VanLuvanee works closely with his clients in the acquisition of real estate for development and ...

Richard J. Busis is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Richard J., 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 Richard J. is held by other top lawyers in the same geographic and legal practice area.

Willig, Williams & Davidson Partner James S. Beall advises and represents a wide variety of public and private-sector single and multi-employer funds on comprehensive employee benefit and tax matters. He specializes in employee benefits law for the firm’s joint labor-management pension and welfare fund clients, as well as its labor union clients. Jim also represents workers in the longshore, transportation, baking, construction, hospitality and public safety industries. Jim serves a...

Roberta “Bobbie” D. Pichini has built her legal career around her unwavering dedication to representing seriously injured babies, children, and adults. As a Medical Malpractice Lawyer, in the past 30 years, she has honed her litigation skills in the area of obstetrical malpractice, representing brain-injured children, patients who have suffered from a delay in diagnosis of cancer, emergency room errors, patient abuse by medical professionals, and surgical negligence. Bobbie also p...

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...

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

Partner Robb Fox has a diverse practice involving compliance counseling, litigation and transactional work for clients in the waste, chemical manufacturing and development industries and on behalf of cities and municipalities. He is known nationally for his work under the federal Superfund law including handling many high profile Superfund matters such as the Keystone Landfill matter, featured on 60 Minutes, and the Gowanus Canal and Newtown Creek sites. He regularly litigates Superfund issue...

Rodd has concentrated on brownfield transactions and compliance counseling across a variety of regulatory programs since joining the firm in 1997. He has extensive experience structuring environmental due diligence for real estate and business transactions, negotiating environmental provisions in transactional documents, and advising developers on satisfying state and federal cleanup programs and property transfer laws consistent with business objectives. For brownfield projects Rodd has nego...

Robert L. Sachs, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Robert L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert L. is held by other top lawyers in the same geographic and legal practice area.