Current View:

This content is provided by Jonathan Spergel.

Practice Areas

Corporate and Commercial Transactions; Corporate Compliance and Other Regulatory Programs; Site Development and Brownfield Redevelopment; Superfund and Site Remediation; Sustainability; Waste; and Water.


Jonathan Spergel is the immediate past managing partner of MGKF where he started his legal career in 1993. He handles a wide variety of environmental legal issues, including the environmental aspects of commercial transactions and brownfields sites, environmental insurance procurement and coverage issues, public funding opportunities, regulatory compliance counseling, and litigation for commercial, industrial, residential, and individual clients. From September 2001 to February 2003, Jonathan served as general counsel of O'Neill Properties, a regional real estate development company that focused on the redevelopment of brownfield sites.

Professional Memberships

Admitted in Pennsylvania and New Jersey;

Montgomery County Redevelopment Authority (Chairman); and International Council of Shopping Centers.


To Grant or Not to Grant Environmental Site Access Requests - The Legal Intelligencer (5/2015)

EPA Water Rules May Directly Impact Planned Development Projects

- Mid Atlantic Real Estate Journal (4/2014)

Revised ASTM Phase 1 Site Assessment Standard Issued - The Legal Intelligencer (11/2013)


University of Pennsylvania Law School, J.D., cum laude, 1993;

Stanford University, B.A., with distinction, 1988.

Board member of Legacy Youth Tennis and Education and City Avenue Special Services District.