Bar & Court Admissions

  • Pennsylvania
  • U.S. District Court for the Eastern District of Pennsylvania


Villanova University School of Law, J.D., 1973

American University, B.A., 1970

  • Board of Trustees, The Academy of Natural Sciences of Drexel University
  • Board of Directors, Water Resources Association
  • Board of Trustees, Pocono Environmental Education Center
  • Committee Member, Lake Naomi Club Environmental Stewardship Committee
  • Past Chairman, Philadelphia Bar Association (Environmental Law Committee)
  • Board Member, Partnership for the Delaware Estuary, 2008-2014
Professional Highlights

 “Anticipating a client’s needs increases the likelihood that you will meet them.”

Marc is a founding partner of Manko, Gold, Katcher & Fox LLP.  He represents a wide array of diverse clients on issues related to environmental regulatory compliance and permitting, particularly in the areas of site development, Brownfield remediation, water pollution control, solid waste management, environmental due diligence, and the requirements applicable to the natural gas industry in Pennsylvania.  Building on his experience at the Environmental Protection Agency, Region 3 at the start of his career, Marc has focused his practice on representing industrial clients.

Marc has handled significant Brownfield remediation matters and related transactions after working on the legislation and regulations establishing Pennsylvania’s site remediation program under the Land Recycling and Environmental Remediation Standards Act of 1995 ("Act 2").  In addition, Marc has focused his efforts on water regulation, including the TMDL program, where he is representing a coalition of industrial and municipal dischargers within the Delaware Estuary.  This representation has enabled Marc to expand his practice before the Delaware River Basin Commission, a unique interstate agency with broad authority.  Marc is also representing a group of municipalities seeking to address water quality issues in the Wissahickon Creek Watershed.

Away from work, Marc enjoys spending time traveling and sharing experiences with his children and eleven grandchildren.

Marc has represented clients, ranging from Fortune 100 corporations to closely-held entities, in a variety of complex matters including the following:

  • provided counsel in connection with remediation projects at major industrial facilities involving compliance with the Resource Conservation and Recovery Act, Toxic Substances Control Act, and state remediation programs;
  • represented a major industrial client in connection with the sale of its industrial complex;
  • represented a coalition of major municipal and industrial dischargers in matters involving surface water quality standards in the Delaware Estuary, Total Maximum Daily Loads for polychlorinated biphenyls, and related criteria established by three states, two EPA regions and the Delaware River Basin Commission;
  • represented many clients before the Delaware River Basin Commission, an interstate Compact agency with broad regulatory authorities,
  • assisted clients and an industry association in developing positions regarding natural gas development requirements, and
  • assisted in drafting Act 2, Pennsylvania's site remediation statute, and the regulations and guidance developed by the Department of Environmental Protection to implement the program.

Marc has also lectured and written on a variety of topics including environmental auditing, environmental issues in real estate transactions, brownfield redevelopment, and water quality.

Honors & Awards

Press Releases

Seminars & Speaking Engagements

"A Tale of Three Estuaries: Diverse Regional Strategies for Water Resource Management," presented at the Fall Conference of the Delaware Section of the American Water Resources Association and the Water Resources Association of the Delaware River Basin, University of Delaware, November 12, 2014

"Getting the Deal Done: Buying and Selling Contaminated Property" for the Lycoming Law Association's Eat & Earn Series, September 18, 2013

"Be Careful What You Ask For: Risks Associated with Discoveries and Disclosures in Due Diligence," presented at the Delaware Valley Chapter of the Association of Corporate Counsel's In-House Counsel Commercial and Contract Law Institute in Philadelphia, February 13, 2013

"Implementing DEP's Permit Decision Guarantee, " presented by MGKF in Williamsport, PA, November 14, 2012

"Understanding Environmental Risks of Your Business Transactions", presented at the Delaware Valley Chapter of the Association of Corporate Counsel's (DELVACCA's) In-House Counsel Conference, Philadelphia, PA, April 2012

"Drilling into Hydraulic Fracturing and Shale Gas Development:  A 3-State Perspective," a teleseminar presented for the American Law Institute-American Bar Association ("ALI-ABA"), October 18, 2011

"Interstate River Basin Commissions:  An Overview," presented at Shale Gas Insights 2011 in Philadelphia, PA, September 7-8, 2011

"Environmental Issues Affecting Oil & Gas Development," presented at the Pennsylvania Bar Institute in Philadelphia, PA, March 10, 2011

"Overview of Current & Emerging Land Use, Real Estate & Environmental Issues," presented at the Pennsylvania Bar Institute's 14th Annual Real Estate Institute in Philadelphia, PA, December 10, 2010

Media Coverage