Washington, DC

John B. Gustafson

  • Associate
  • Direct Dial: +1 202.434.4204
  • Fax: +1 202.434.4646
  • Professional Assistant: KristinMarie Marcil , Ph: +1 202.434.4343

    Washington, DC

    1001 G Street NW
    Suite 500 West
    Washington, DC 20001


John Gustafson practices primarily in the area of environmental law, where he counsels clients on regulatory compliance and enforcement matters under domestic and international legal regimes. Mr. Gustafson also assists clients with occupational health and safety standard law and on litigation matters.

Prior to joining Keller and Heckman, Mr. Gustafson clerked for The Honorable Judge Douglas R.M. Nazarian on the Maryland Court of Special Appeals. Before law school, he served as a public relations writer and media consultant, preparing and promoting press releases and reports on environmental issues and monitoring media coverage of EPA air regulation events on behalf of environmental non-profit clients.

In law school, Mr. Gustafson served as Co-President of the Maryland Environmental Law Society and as a Staff Editor of the Journal of Business and Technology Law.  For his writing on the topic of dormant Commerce Clause challenges to renewable energy portfolio standards, John was recognized as a Fedder Environmental Fellow and received a scholarship to present his research at the 2014 Annual Colloquium of the IUCN Academy of Environmental Law in Tarragona, Spain.