Marc Weinreich

Marc Weinreich Headshot

Vice President and coManaging Principal


Marc Weinreich is vice president of Greenfield Environmental Trust Group, Inc. and former vice president of Resources for Responsible Site Management, Inc. (Trustee of the Industri-plex Superfund Site Custodial Trust). Marc also serves as a managing principal of Greenfield Environmental Savannah Trust LLC (Trustee of the Savannah Environmental Response Trust).


Multidisciplinary Expertise

Marc has overseen water treatment plant optimization, dense nonaqueous phase liquid (DNAPL) extraction programs, site-wide Resource Conservation and Recovery Act (RCRA) facility investigations, institutional controls inaugurations, and several brownfield reuse initiatives. He has successfully managed site demolition and recycling of former chemical facilities, generating millions in salvage dollars for cleanup, and has run the multiyear operations of a 30-employee sulfuric acid plant in Savannah, Georgia, under a $28 million annual operating budget, producing and selling 300,000 tons of high-grade sulfuric acid a year. Under Marc’s oversight, the previously bankrupt acid plant made $2 million–$4 million of net revenue a year, with the profit being put back into Greenfield’s Savannah Trust for future environmental actions.


Leader, Collaborator

Marc has overall project, cleanup, and disposition management responsibility for numerous contaminated sites throughout the country. He collaborates as Trustee with regulators, senior environmental staff, state attorneys general offices, and the U.S. Department of Justice. Marc has been involved in Greenfield’s environmental and financial programs and oversees Greenfield’s treasury. He chaired the Anadarko Litigation Trust Advisory Board—the entity charged with prosecuting and settling for $5.14 billion in the fraudulent conveyance litigation against Anadarko. Marc has spoken at national, regional, and local conferences on the environment, published opinion-editorial articles on current environmental matters, and has helped garner a national Phoenix Award for the management and revitalization of a federal Superfund site.

Marc is a trained mediator. He was recently named and listed as a member of the National Roster of Environmental Conflict Resolution Professionals by the U.S. Institute for Environmental Conflict Resolution. The U.S. Institute was established by Congress to provide impartial collaboration and conflict resolution services. The National Roster serves as a resource for federal agencies and others seeking to identify professionals experienced in environmental problem-solving.

Marc relocated to Utah from Boston, Massachusetts, to be more proximate to Greenfield Trust properties in the western United States. A certified power vinyasa yoga teacher, he coowns and cofounded Salt Lake Power Yoga, Salt Lake City’s first local, heated, power vinyasa yoga studio.



Before joining Greenfield, Marc worked as a complex commercial transaction lawyer for the prestigious, national Boston-based law firm of Gaston & Snow. Marc served as a summer associate with the Office of the Attorney General of the Commonwealth of Massachusetts. Marc graduated from Columbia University with Master of Art and Master of Philosophy degrees in Humanities and Comparative Literature. As a professor in the English and Humanities Departments at Columbia University and Pace University, he taught undergraduates the nuances of Plato, Machiavelli, and Freud, among other things. Subsequently, Marc graduated from Boston University School of Law, where he was a Paul J. Liacos Scholar and executive editor of the Annual Review of Banking Law.

Michael Orifounder