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Jason focuses his practice on complex environmental and general business litigation matters on behalf of clients primarily in the chemical and manufacturing industries.

His industry experience includes:

  • Representing clients nationwide as plaintiffs and defendants in high-profile cost recovery and contribution actions under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).
  • Representing clients in managing complex Superfund (CERCLA) sites across the country, including working to secure cost-effective, creative and environmentally protective remedies through coordination with clients and technical consultants and negotiations with the Environmental Protection Agency (EPA) and state agencies.
  • Defending clients in judicial and administrative environmental enforcement actions under the Clean Air Act and Clean Water Act.
  • Negotiating consent decrees and settlements with the Department of Justice (DOJ) and EPA.

In addition to traditional environmental matters, Jason represents clients in exposure and toxic tort lawsuits regarding alleged environmental contamination, including personal injury and property damage lawsuits.




  • National Multiple Sclerosis Society, Corporate Achiever, 2007-2008


  • J.D., Washington University School of Law
      • Order of the Coif
      • Washington University Law Quarterly
  • B.J., University of Missouri-Columbia
    • Journalism


  • Missouri
  • U.S. District Court, Eastern District of Missouri
  • Illinois

Professional Associations and Memberships

  • American Bar Association
  • The Bar Association of Metropolitan St. Louis
  • Law 360, Environmental Editorial Advisory Board, 2011-2012
  • The Missouri Bar
  • The Society of Chemical Manufacturers & Affiliates, Environment Committee
  • Coordinated successful strategy to persuade Environmental Protection Agency (EPA) to abandon proposed rule that would have required hardrock mining industry to secure $7 billion in financial assurance.
  • Represented Fortune 500 chemical manufacturing clients as plaintiffs in high-profile cost-recovery action regarding contamination in Anniston, Ala. Defendants have incurred approximately $40 million addressing residential contamination.
  • Defended Fortune 500 chemical manufacturing clients at Superfund sites in Sauget, Ill. Provide overall site strategy advice and counseling, including managing and participating in primary responsible party (PRP) groups, negotiating settlements and allocations, and assisting with technical submissions.
  • Trial counsel for plaintiffs regarding contamination migrating off MEW site in Cape Girardeau, Mo.
  • Advised Fortune 500 chemical manufacturing client on steering committee for PRP group at former deep-well disposal facility in Texas City, Texas. The United States’ Record of Decision (ROD) at the site chose the PRP group’s preferred remedy and the group negotiated a remedial design and remedial action consent decree. PRP group recovered more than $14 million from nonparticipating parties without filing a lawsuit.
  • Defended oil refining company regarding alleged petroleum-hydrocarbon (TPH) contamination in Madison County, Ill. Plaintiffs agreed to dismiss multiple personal injury cases because of lack of product exposure.
  • Represented refining and chemical company in litigation regarding purchased facility’s Clean Air Act compliance.
  • Defended clients against alleged violations of the Clean Water Act, including defining and implementing a wetlands mitigation project.
Community Leadership
  • St. Luke’s Life & Hope Fund, Board of Directors, 2011-2013; Golf Tournament, chair, 2013