Mr. Holmes is a Shareholder in the Environmental Practice Group in Greenberg Traurig’s Philadelphia office, where he concentrates his practice on environmental litigation, including CERCLA, RCRA, the Clean Air Act, the Clean Water Act and Oil and Gas. He is admitted to practice in Pennsylvania, as well as the U.S. Court of Appeals for the Seventh Circuit, the U.S. District Court for the Eastern District of Pennsylvania, the U.S. District Court for the Middle District of Pennsylvania, and the U.S. District Court for the Eastern District of Wisconsin. Mr. Holmes has been named a Rising Star in Pennsylvania Super Lawyers. Mr. Holmes is a 2007 graduate of Vermont Law School, where he earned a Juris Doctor, cum laude, and a Masters of Studies in Environmental Law, magna cum laude. He served as Notes Editor on the Vermont Law Review and was a member of the National Moot Court Team.

Mr. Keays is a shareholder in the Environmental Law Practice Group at Hangley Aronchick Segal Pudlin & Schiller in Philadelphia. He maintains a broad environmental practice and represents corporate and municipal clients in a range of matters pertaining to federal and state environmental laws. Although he has significant experience litigating, negotiating, and counseling clients with respect to many environmental statutes and regulations, a significant part of his practice focuses on the CERCLA, RCRA, TSCA, and the Clean Water Act. He has represented major corporations at a number of the largest and most expensive Superfund sites throughout the country, both in the context of cost recovery/contribution litigation and in private allocation proceedings. As a litigator, he has also successfully represented clients in matters involving sinkholes and mining permits, the Delaware River Basin Commission’s moratorium on hydraulic fracking, and NPDES permits. Pete also maintains an active transactional practice in which he assists buyers and sellers navigate complex technical and legal issues in connection with the sale and development of brownfield properties. Mr. Keays regularly counsels clients with respect to regulatory and permit obligations arising under a wide range of environmental regulations. He graduated summa cum laude from Vermont Law School, where he served as Editor-in-Chief of the Vermont Law Review. Prior to joining Hangley Aronchick, he served as a law clerk to federal judges on the U.S. Court of Appeals for the Second Circuit and the U.S. District Court for the District of Montana. He is actively involved in the ABA Section on Environment, Energy and Resources, and is on the Executive Committee of the Delaware Valley Environmental Inn of Court.

Ms. Maxwell is a shareholder in the environmental group of Greenberg Traurig, LLP. Her principal office is in Philadelphia. She focuses her practice on environmental litigation. Ms. Maxwell advises clients on regulatory compliance issues and represents clients in litigation in state and federal courts. Her work includes litigation of major contamination cases under the hazardous waste and Superfund laws. She also advises clients in transactions involving the sale of contaminated real property. Ms. Maxwell is admitted to practice in Pennsylvania and New Jersey as well as the U.S. Court of Appeals for the Seventh Circuit, U.S. District Court for the Eastern District of Wisconsin, U.S. District Court for the Western District of New York, and the U.S. District Court for the Eastern District of Pennsylvania. Prior to joining Greenberg Traurig, she served as a judicial law clerk to the Honorable Linda K. Caracappa in the U.S. District Court for the Eastern District of Pennsylvania. She received her J.D. from Boston University School of Law and her B.A., magna cum laude, with Departmental Honors in Law and Policy from Dickinson College. 

Jim Fenstermacher, PE, leads the Americas PFAS Emerging Contaminants Team for Ramboll. He has over 30 years of industry experience and specializes in site characterization, remedy selection, design and remedy implementation at conventional and PFAS-impacted contaminant sites. As a PFAS SME, Jim has coauthored a number of publications on PFAS behavior, regularly speaks at conferences and interfaces with academia, and has been engaged in research on novel PFAS adsorption and destruction technologies. He also provides technical expertise to project teams across Ramboll, provides internal training and staff development, and supports branding and business development activities around solving PFAS problems for clients.