Bar & Court Admissions

  • Pennsylvania
  • New Jersey


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

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

Montgomery County Redevelopment Authority

  • Board Member, since 2006
  • Chairman, 2013

Villanova University School of Law

  • Adjunct professor, Environmental Lawyering

Bryn Mawr Hospital Foundation

  • Board Member,  since 2014

City Avenue Special Services District

  • Board Member, since 2012

Legacy Youth Tennis and Education (formerly Arthur Ashe Youth Tennis Center)

  • Board Member, since 2012

Lower Merion Conservancy

  • Board Member, 2004-2014
  • Chairman, 2007-2009

International Council of Shopping Centers

  • Environmental Law Committee

Riverbend Environmental Education Center

  • Board of Directors, 1996-2002
  • President, 2000-2001
Professional Highlights

Jonathan Spergel is the managing partner of Manko, Gold, Katcher & Fox LLP in Bala Cynwyd, Pennsylvania, the environmental and energy law firm with which 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 focusing on the redevelopment of brownfields.  

Jonathan has authored a number of articles on environmental issues and frequently lectures for various groups and organizations. He is currently an adjunct professor at Villanova University School of Law. He graduated with distinction from Stanford University and received his juris doctorate from the University of Pennsylvania Law School, cum laude

Jonathan is very involved in the community serving on the boards of the Bryn Mawr Hospital Foundation, City Avenue Special Services District and Legacy Youth Tennis and Education. He is also the chairman of the board of the Montgomery County Redevelopment Authority. He served on the board of the Lower Merion Conservancy for nearly a decade.

Honors & Awards

  • Chambers USA - America's Leading Lawyers for Business listing (environmental law), since 2006. The Chambers list is issued by Chambers and Partners. Click here to view the selection methodology.
  • The Best Lawyers® in America listing (environmental law), since 2007. The Best Lawyers list is issued by Woodward/White Inc. Click here to view the selection methodology.
  • Pennsylvania Super Lawyers listing (environmental law) since 2011 and Pennsylvania Super Lawyer “Rising Star”  listing, 2005 and 2006. The Super Lawyers list is issued by Thomson Reuters.  Click here to view the selection methodology.
  • Main Line Today “Top Lawyer” listing (environmental law), 2015
  • "Pennsylvania Lawyers on the Fast Track" listing in American Lawyer Media, 2005
  • No aspect of this advertisement has been approved by the Supreme Court of New Jersey or any other jurisdiction.

Press Releases

Seminars & Speaking Engagements

“Law Firm Leadership” for Executive Leaders Radio Program, April 28, 2017

Moderator of "Preparing for and Responding to an Emergency of Casualty Incident," sponsored by MGKF in Bala Cynwyd, PA, June 24, 2014.

Moderator of "Building the Foundation for Sustainable Practices and EPA's Consideration of the New Rule for Retail Hazardous Waste," presented at the City Avenue Special Services District Lunch and Learn in Bala Cynwyd, PA, April 24, 2014

"Managing Liability Risks Posed by Independent Contractors," presented at the Association of Corporate Counsel Delaware Valley Chapter Contracts and Commercial Law Institute, February 12, 2014

MGKF Webinar "New Jersey Remedial Investigations:  New Extended Deadline Explained," February 10, 2014

"The Real Estate Hibernation Has Ended--What Developers Need to Know About Key Environmental Regulatory Changes in the Post-Recession Economy," for the 2013 PA Brownfields Conference in King of Prussia, PA, December 11, 2013

"Due Diligence in Negotiations," presented at the 2012 Environmental Law Forum for the Pennsylvania Bar Institute in Harrisburg, PA, March 28, 2012

“Environmental Issues Associated with Real Estate Development in the Marcellus Shale Region,” presented by MGKF in Williamsport, PA, November 2011

"Taking the Mystery Out of Opting-In to NJDEP's LSRP Program," sponsored by MGKF and Environ in Edison, NJ, February 25, 2011

"Taking the Mystery Out of Opting-In to NJDEP's LSRP Program," sponsored by MGKF and Environ in Cherry Hill, NJ, February 15, 2011

"Keeping Secrets: Recent Developments in Attorney-Client Privilege and Expert Witness Disclosure Rules," sponsored by MGKF in Bala Cynwyd, PA, January 26, 2011

"Overcoming Hurdles to Redevelopment - A Case Study of Technical, Economic, and Interpersonal Challenges," presented at the15th Annual Business of Brownfields Conference in Pittsburgh, PA, April 20, 2010 

"Untangling the Web of LSRP Regulations," sponsored by MGKF in Cherry Hill, NJ, December 15, 2009