John Rousakis


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John Rousakis is an experienced environmental lawyer who represents private equity, financial, commercial and industrial clients in transactions, litigation, and regulatory compliance matters.

He represents clients on acquisitions and divestitures of chemical, metals and mining, oil and gas, and other industrial businesses, and in federal and state Superfund litigation. He also provides strategic and regulatory counseling on wide range of environmental, health and safety matters.


Honors & Awards

  • Recognized by The Legal 500 US in Environment: Transactional (2020-2021)
  • Recommended in Environment by Who's Who Legal (2019)
  • Recognized in Chambers USA - Environment: Mainly Transactional (2018-2021)
  • America's Leading Business Lawyers, Chambers USA (2008-2011)


Bar Admissions

  • New York

Court Admissions

  • US District Court, Eastern and Southern Districts of New York


  • New York University, J.D.; Editor-in-Chief, NYU Environmental Law Journal
  • Princeton University, B.S.E., Civil Engineering: magna cum laude

Professional Activities


  • New York City Bar, Committee on International Environmental Law (2006-2009)


  • New York City Bar, Committee on Environmental Law (2016-present) 

Board Member

  • Greenway Conservancy for the Hudson River Valley (2001-2010)


  • “As Trump Administration Attempts to Roll Back Environmental Regulations, Past Lessons Are Prologue,” New York Law Journal (December 19, 2018)
  • “Environmental Counseling in Divestitures,” Westlaw Journal Mergers & Acquisitions (June 2018)
  • “Environmental Law,” Corporate Legal Departments: Practicing Law in a Corporation, PLI, 4th ed., co-author (2017)
  • “The Price of Greenhouse Gas Legislation,” Environmental Law360 (October 5, 2009)
  • “Corporate Compliance Challenges: Environment, Corporate Compliance Practice Guide: The Next Generation of Compliance,” LexisNexis, co-author (2009)
  • “International Environmental Law," International Corporate Practice: A Practitioner's Guide To Global Success,” PLI, 2nd ed. (2008)
  • “Exploring the Carbon Trading Landscape,” New York Law Journal (July 16, 2007)


  • “Green Finance: Leveraging Investment for Environmental Protection,” Environmental Law Institute (June 2017)
  • “Major Developments in EU Environmental Law,” New York City Bar Center for CLE, Chair and Speaker (October 2006)
  • “International Issues in Environmental Auditing,” Auditing Roundtable NY Regional Meeting (September 2006)
  • “Recent Developments in EU Environmental Law,” Pennsylvania Bar Institute Environmental Law Forum (April 2005)
  • “Environmental Policies for Lending Institutions,” EDR Financial Services' Environmental Risk Summit (October 2004)

Transactional Matters 

  • LaGuardia Gateway Partners in its winning bid for the redevelopment and long-term operation of the Central Terminal Building at New York LaGuardia Airport
  • Apollo Global Management in its acquisition of Sun Country Airlines
  • Microsemi Corporation in its acquisition of Vectron International
  • TTM Technologies in its acquisition of Anaren Inc.
  • Apollo Global Management in its acquisition of Parallel Petroleum
  • Apollo Global Management in its $1.15 billion acquisition of Xstrata Aluminum
  • Apollo Global Management in its $3.8 billion acquisition of the Advanced Materials division of General Electric Co.
  • Apollo Global Management  in its $1.185 billion acquisition of Rexnord and $1.25 billion acquisition of Jacuzzi Brands, Inc.
  • Hexion Specialty Chemicals in its acquisition of Bakelite AG and divisions of Akzo Nobel and Rhodia
  • Palladium Equity Partners in its acquisition of American Gilsonite Co.

Litigation Matters

  • American Airlines:  Defense of State enforcement proceeding related to remediation portion of redevelopment of JFK Terminals 8 and 9, and representation in related contribution action for recovery of remediation costs
  • Combe Fill South Landfill NPL Site (Chester Township, NJ):  Common counsel for 14 defendants in $200 million cost recovery action by USEPA and the State of New Jersey
  • Gulf Nuclear Sites (Webster, Texas):  Defense of industrial entity in cleanup cost recovery action brought by USEPA and State of Texas
  • BEMS Landfill (Burlington County, NJ):  Defense of third-party commercial entity in multiparty landfill cleanup cost recovery action initially brought by NJDEP