David G. Mandelbaum

David G. Mandelbaum is Co-Chair of the firm's Environmental Practice. He represents clients faced with problems under the environmental laws that have no conventional solution, or for which the conventional solution would yield an unacceptable result. While he regularly represents clients in lawsuits, he does not restrict his practice to litigation and has helped clients achieve satisfactory outcomes through regulatory negotiation or private transactions.

David has represented clients in Superfund matters – particularly contaminated sediment and natural resource damage issues – that the government considers its most significant. In 2012, he acted as lead counsel for our client in two trials arising from the Lower Fox River and Green Bay Site, one on a Superfund contribution claim and one on the United States’ claim for a mandatory injunction.

David represents natural gas exploration and production companies, midstream providers, and landowner coalitions in connection with development of the Marcellus Shale and other natural gas resources. He regularly handles permit appeals and citizen suits under the water pollution, air pollution and solid waste laws. He has represented clients in litigation under the National Environmental Policy Act (NEPA) and several disputes among private parties following failed or unsatisfactory transactions.

David was one of the original appointments to the Pennsylvania Statewide Water Resources Committee, which is responsible for the State Water Plan. He has advised clients in water supply matters, and has appeared before water supply agencies such as the Delaware River Basin Commission.

David teaches Superfund, and Oil and Gas Law in rotation at the Temple Law School. He has taught Environmental Law, Climate Change and Land Use Law and Administration in the past, and he is a regular writer and speaker on the subjects.

Good to know

Areas of Practice 1) Litigation, 2) Environmental and 3) Global Energy & Infrastructure
Law School J.D., magna cum laude, Harvard Law School, 1983
Education A.B., summa cum laude, Harvard College, 1980
Bar Member / Association Florida State Bar Association, Pennsylvania State Bar Association, Maryland State Bar Association
Most recent firm Greenberg Traurig LLP
Relevant Jobs
Litigation Paralegal
USA-PA-Philadelphia

Our Philadelphia, PA office seeks a paralegal with 2-3 years of experience preferably in the defense litigation field.  Responsibilities will include: Scheduling of depositions, IMEs, mediat...

Apply now

Commercial Litigation Attorney
USA-PA-Philadelphia

COMMERCIAL LITIGATION ATTORNEY FELLHEIMER & EICHEN LLP - Philadelphia Fellheimer & Eichen LLP is a well-regarded commercial litigation boutique with a varied and sophisticated practice.   The ...

Apply now

Senior Claim Counsel, Bond and SI
USA-PA-Philadelphia

Senior Claim Counsel, Bond and SI The candidate will, under general supervision, fulfill Bond and Specialty Insurance (Bond) Claims mission by conducting thorough investigation, analysis, evaluation ...

Apply now

+ View more jobs
A. Harrison Barnes
A. Harrison Barnes

A. Harrison Barnes is a well-known attorney throughout the United States. As a member of the Malibu community, Harrison is committed to serving the needs of Malibu residents and businesses in legal matters.

Andrew Hamilton
Andrew Hamilton

Andrew Hamilton is a partner in Morgan Lewis's Business and Finance Practice. Mr. Hamilton practices in the areas of mergers and acquisitions, private equity and venture capital, securities law, and general corporate counseling.

Anthony C. DeCusatis
Anthony C. DeCusatis

Anthony C. DeCusatis is of counsel in Morgan Lewis's Energy Practice.He also represents and counsels utilities and nonutility energy suppliers on emerging issues created by the transition from regulation to competitive markets.