Sherry E. Jackman




Sherry E. Jackman is Counsel in Greenberg Glusker's Environmental Group. Her practice focuses on environmental litigation and compliance counseling. 

Sherry’s professional expertise includes (1) counseling clients regarding federal and state environmental statutes and regulations, including CERCLA, RCRA, the Clean Water Act, the Clean Air Act, CEQA, Proposition 65, California Hazardous Waste Control Law, and the Endangered Species Act; (2) representing clients in state and federal litigation and administrative enforcement proceedings; and (3) counseling clients with respect to land use entitlements and permitting.

Sherry has represented a broad array of clients, including manufacturers (chemical, semiconductor, cosmetic, and food), railroads, technology companies, landfills, waste management companies, municipalities, utility companies, museums, schools, real estate developers, pharmaceutical companies, and private individuals.  

Sherry is a Lecturer in Law at the USC Gould School of Law where she co-teaches “Deposition Strategies and Techniques” with Harvey Friedman.  

Representative Matters

  • Representing a Fortune 500 company in CERCLA / HSAA cost recovery matters

  • Representing a variety of companies with respect to site investigation and remediation of contamination (soil, groundwater, indoor air, etc.)

  • Providing compliance counseling regarding regulation of hazardous and non-hazardous wastes under state and federal laws and regulations

  • Conducting environmental due diligence in connection with the purchase and sale of contaminated real estate and providing advice regarding nature and extent of potential liabilities

  • Preparing complex damage models, calculations, and litigation simulations to inform settlement strategy

  • Working closely with retained experts and consultants with respect to site investigation and remediation efforts

  • Representing international oil company in federal multi-party litigation involving claims of leaking pipelines

  • Representing clients at a number of federal Superfund Sites, including the San Fernando Valley Superfund Site, Omega Superfund Site, and Casmalia Resources Superfund Site

  • Representing property owner in opposition to proposed redevelopment project undergoing environmental review under CEQA

  • Representing potentially responsible parties with respect to all aspects of site cleanups, site closures, facility inspections, and enforcement actions

  • Representing various clients with respect to underground storage tank issues and claims

  • Represented several related companies in a 2,000+ plaintiff toxic tort litigation involving alleged exposure to hazardous substances in air, surface water, and groundwater

  • Represented semiconductor manufacturer and related entity in two litigation matters involving allegations of in utero exposure to clean room chemicals

  • Represented a Fortune 500 company in contract dispute relating to responsibility for environmental cleanup

  • Provided hazardous waste compliance advice to chemical manufacturer with multi-state operations

  • Represented a Fortune 500 company in a Clean Water Act / SPCC enforcement matter

  • Represented manufacturing facility in Clean Water Act citizen stormwater lawsuit

  • Defended international manufacturer in litigation involving Proposition 65, CLRA, and UCL claims in California State Court, resulting in dismissal of case without leave to amend

  • Represented private individual in enforcement action with respect to land use and entitlement issues

  • Represented utility company in matter involving a cleanup and abatement order issued by water board

  • Represented real estate developer in efforts to secure environmental permits

  • Conducted land use due diligence in connection with acquisition of large portfolio of U.S. properties

  • Represented schools, churches and a museum/library pro bono in a number of land use / entitlement matters


  • Speaker, Dynamic Landscape of the Vapor Intrusion Pathway, Los Angeles County Bar Association – Environmental Law Section, February 14, 2018
  • Moderator, Citizen Suits and Stakeholder Actions as Drivers of Regulatory Change, Los Angeles County Bar Association - Environmental Law Fall Symposium, November 3, 2017

  • Webinar Presenter, Hazardous or Not Under RCRA?: Compliance under EPA’s New Hazardous Waste Generator Rule Effective May 30, 2017, BLR, April 5, 2017 
  • Moderator, Environmental Law Career Panel, Los Angeles County Bar Association, October 14, 2016

  • Judge, Law Student Environmental Negotiations Competition, California State Bar Association, March 18, 2016

  • Moderator, Environmental Law Career Panel, Los Angeles County Bar Association, October 27, 2015


  • EPA is Holding Flare Users’ Feet To The Fire, Law360, July 29, 2014
  • Bill To Create Environmental Court Lacks Specificity, San Francisco Daily Journal, March 6, 2013
  • The Future is Now (Or Is It?): Choosing the ‘Baseline’ and Minimizing Related Litigation Risk Under CEQA, San Francisco Daily Journal, May 16, 2012
  • Kickstarting California Construction Projects, Law360, November 2, 2011
  • Offshore Wind Farms and Ocean Zoning as a Means to Meet U.S. Clean Energy Goals, Planning & Law, American Planning Association, Summer 2009

Awards & Accolades

  • Southern California Super Lawyers Rising Stars - 2017