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Steven Barshov, Principal

Steven's areas of specialization include land use law, environmental law, local government law, real estate, as well as related litigation. Having represented numerous developers, businesses, municipalities, and community organizations in more than 30 years of practice, Steven has handled projects of all sizes — from a large master planned community of 1195 units with a commercial center, to a small 3 unit subdivision, both inside and outside New York City. Steven has litigated in the United States Supreme Court; in federal courts in the Second, Fifth and Tenth Circuits; and at the New York Court of Appeals, Appellate Divisions, and trial courts in multiple counties. Read more about Steven Barshov.

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Michael S. Bogin, Principal

Michael graduated with honors from Hofstra University Law School in 1989, where he was a member of the Hofstra Law Review. Michael has extensive experience in a wide range of state and federal environmental litigation. Starting with the seminal New York City Landfills Superfund cases, Michael has litigated many CERCLA cost recovery and toxic tort claims involving a range of contaminants from dry cleaning solvents (PCE) in groundwater to mercury, lead and other heavy metal contamination. Read more about Michael Bogin.

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Paul D. Casowitz, Principal

Paul graduated from New York Law School, magna cum laude in 1989, where he was a John Ben Snow Scholar. Before joining Sive, Paget & Riesel, he served as Deputy Commissioner for the New York City Department of Sanitation responsible for engineering and planning for the City's waste disposal system, and the New York City Fire Department. Paul is admitted to the practice of law in New York and New Jersey. During his eighteen years of work with New York City, he was extensively involved in issues of environmental policy, risk communication to the public and regulatory agencies, as well as all aspects of municipal procurement and contracting. Read more about Paul Casowitz.

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Mark A. Chertok, Principal

Mark, a graduate of Harvard Law School (J.D. 1970, cum laude) and the State University of New York at Buffalo (A.B. 1967, magna cum laude), has been active in environmental and land use counseling, permitting, enforcement and litigation for more than twenty-five years. His experience spans a broad spectrum of substantive areas, including environmental impact statement (EIS) counseling and litigation under the National Environmental Policy Act (NEPA) and the New York State Environmental Quality Review Act (SEQRA), wetlands and water quality permitting under the Clean Water Act and State counterparts. Read more about Mark Chertok.

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Dan Chorost, Principal

Dan graduated from New York University School of Law in 1996. His practice at SPR includes a wide variety of environmental review matters, environmental litigation, and environmental compliance and auditing. Dan's clients include state and local governmental bodies, industrial and commercial entities, as well as individuals, local environmental organizations, and cultural institutions. Read more about Dan Chorost.

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Jennifer Coghlan, Principal

Jennifer Coghlan graduated from the New York University School of Law in 2003. Jennifer's practice at SP&R includes representation of state and local governmental bodies, corporations and individuals in a wide variety of environmental litigation before federal, state, and local trial and appellate courts. In addition, she represents clients in administrative proceedings before the U.S. EPA, the New York State Department of Environmental Conservation (NYSDEC) and the New York City Environmental Control Board. Read more about Jennifer Coghlan.

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John-Patrick Curran, Principal

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Pamela R. Esterman, Principal

Pamela has over 25 years of experience solving a wide range of environmental and land use problems, using a broad array of tools from litigation to alternative dispute resolution. She is an experienced mediator, having mediated numerous cases in federal and state court. She serves as a court appointed mediator for the United States District Court, Southern and Eastern Districts and the Supreme Court of New York, Commercial Division. Her experience at the firm includes litigating complex multi-party hazardous waste cases; obtaining permits and project approvals for commercial, industrial and municipal development projects; handling the environmental aspects of business and real estate transactions; and consulting on climate change planning. Read more about Pamela R. Esterman.

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Scott E. Furman, Principal

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Jeffrey B. Gracer, Principal

Mr. Gracer is Chair of the New York City Bar Association's Environmental Law Committee and has been recognized by independent rating agencies, including Chambers & Partners, as a leading environmental practitioner.His extensive experience includes hazardous substance and toxic tort litigation; environmental permitting and approvals; resolution of federal, state and local regulatory enforcement matters; environmental impact assessments; historic preservation reviews; contaminated site remediation; brownfield redevelopment; and environmental insurance coverage. His clients include public and privately-held companies, governmental and non-profit development agencies, real estate developers, financial institutions, and private equity funds. Read more about Jeffrey Gracer.

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Jonathan Kalmuss-Katz, Associate

Jonathan Kalmuss-Katz joined the firm after graduating from New York University School of Law in 2010. His work has covered environmental impact review under the State Environmental Quality Review Act (SEQRA) and the National Environmental Policy Act (NEPA), Title V permitting under the Clean Air Act (CAA), State Pollutant Discharge Elimination System (SPDES) permitting under the Clean Water Act, enforcement actions under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), and the defense of contract and tort claims. Read more about Jonathan Kalmuss-Katz.

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Elizabeth Knauer, Principal

Elizabeth graduated from Harvard Law School in 1999. One focus of her practice at SPR involves environmental impact assessment under SEQRA and NEPA, including litigation related to such matters. Elizabeth also advises developers and regulated entities with respect to environmental permitting and enforcement actions, and negotiates with government agencies on their behalf, particularly in the areas of wetlands and marine work. She also has experience in litigation involving environmental permitting standards, environmental contamination and contractual provisions. Elizabeth has represented a number of municipal and state agencies in defending land use and other determinations challenged on environmental grounds. Read more about Elizabeth Knauer.

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Christine M. Leas, Principal

Christine graduated from the University of California, Hastings College of Law in 1991, and is admitted to practice in New York, California and Connecticut. She specializes in environmental regulatory compliance and transactional matters, counseling clients on complex brownfield and contaminated site redevelopments and environmental aspects of mergers, acquisitions, divestitures. She has over ten years of experience negotiating manuscript environmental insurance policies, and recently resolved a multi-million dollar environmental insurance claim through mediation with the carrier. Read more about Christine Leas.

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Michael J. Lesser, Of Counsel

Mike recently retired from the New York State Department of Environmental Conservation (NYSDEC) after over twenty years of service, most recently in DEC's Albany headquarters. There he was the Supervising Attorney for the state's Superfund and Brownfields Remediation Programs, responsible for the state's legal representation for approximately 4,000 hazardous waste, brownfield, voluntary cleanup program (VCP) and environmental restoration sites in all parts of New York. Read more about Michael Lesser.

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Maggie Macdonald, Associate

Maggie Macdonald joined the firm after graduating from the New York University School of Law in 2011. Maggie focuses her practice on environmental litigation, environmental impact review, and land use issues. Since joining the firm she has worked on brownfields and zoning E designation submissions for sites in New York City, as well as state environmental quality review, storm water pollution prevention, and landlord-tenant disputes. Read more about Maggie Macdonald.

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Devin McDougall, Associate (Admission Pending)

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David Paget, Principal

David Paget has extensive experience in environmental law and related litigation, particularly in preparing and processing environmental impact statements and permits pursuant to the Clean Air Act, the Clean Water Act, the National Environmental Policy Act (NEPA), National Historic Preservation Act and their New York State counterparts. David began litigating and managing environmental cases in the early 1970s following his service as an Assistant United States Attorney for the Southern District of New York. Read more about David Paget.

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Daniel Riesel, Principal

Daniel has litigated a wide variety of cases which include white collar defense, civil rights, commercial, and environmental matters. His litigation experience ranges from pre-trial practice in complex litigation to extensive appellate advocacy. Dan's extensive environmental and litigation practice has been recognized by several organizations that conduct peer evaluation of lawyers. Read more about Daniel Riesel.

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Ed Roggenkamp, Associate

Ed Roggenkamp graduated cum laude from Harvard Law School in 2009. He joined SPR in the fall of 2011, after clerking for the Honorable Michael H. Dolinger, U.S.M.J., S.D.N.Y, and completing a year-long fellowship at the Environmental Law and Policy Center in Chicago, IL. He has worked on matters including renewable energy development, Superfund litigation, Clean Water Act and Clean Air Act permitting, environmental impact review, and comments on proposed federal rules under RCRA, SMCRA, and the Clean Air Act. Read more about Ed Roggenkamp.

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Victoria S. Treanor, Associate

Victoria S. Treanor, a 2009 graduate of Harvard Law School, concentrates her practice on environmental law, land use issues, and litigation. Since joining the firm in September 2009, she has worked on matters concerning environmental impact reviews, brownfield redevelopment, state wetland permits, litigation for the recovery of cleanup costs for hazardous wastes and petroleum contamination and nuclear power plant relicensing. She has experience with the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA, or Superfund), the Resource Conservation and Recovery Act (RCRA), the Clean Water Act, the National Environmental Policy Act (NEPA), the National Historic Preservation Act (NHPA), the Lacey Act, and the New York State Navigation Law. Read more about Victoria S. Treanor

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David Sive, Retired

Founding principal David Sive is known as the "father of environmental law." Before the United States Congress passed the first federal environmental statute, David was litigating the landmark environmental case, Scenic Hudson Preservation Conference v. Federal Power Comm'n, 354 F.2d 608 (2d Cir. 1965), and 453 F.2d 464 (2d Cir. 1971), and was a leader in the Sierra Club and other national environmental advocacy organizations.

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Adam Stolorow, Associate

Adam is a 2008 graduate of the New York University School of Law. Prior to joining Sive, Paget & Riesel in 2011, he served as an Assistant Corporation Counsel in the Environmental Law Division of the New York City Law Department. He has litigated in both state and federal courts and appeared before the U.S. EPA and New York State DEC on a wide range of environmental, land use, and municipal law issues including the "greening" of the New York City yellow taxi fleet, the removal of PCBs from New York City schools, the siting of natural gas pipelines, brownfield remediation, and the protection of the City watershed. Read more about Adam Stolorow.

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David S. Yudelson, Principal

David joined Sive, Paget & Riesel in 1990 and his practice has focused on environmental and land use matters. David has particular expertise in large-scale waterfront development, State Environmental Quality Review Act and City Environmental Quality Review compliance, New York City E-Designations and Restrictive Declarations, mold litigation, complex landlord tenant disputes, tidal wetland permitting, environmental insurance, hazardous materials and petroleum emergencies, pre-purchase due diligence investigations, hazardous substance, lead, asbestos, petroleum (gas and oil) and mold remediation, cost recovery litigation and regulatory compliance auditing. Read more about David Yudelson.