Jonas concentrates his practice in regulatory compliance and civil litigation, with a special focus on water, endangered species, and natural resources management.

He advises clients on regulatory compliance, administrative enforcement actions, and civil litigation under state and federal regulations including the Clean Water Act, Endangered Species Act, Administrative Procedure Act, Pipeline Safety Act, General Mining Act of 1872, and Federal Land Management Policy Act.

Before joining Beveridge & Diamond, Jonas served as an Attorney-Advisor for the Pipeline and Hazardous Materials Safety Administration (PHMSA), Office of Chief Counsel where he provided counsel on enforcement actions under the Pipeline Safety Act. Before that, Jonas practiced as an associate with a boutique natural resources firm, where he counseled a variety of private, government, and investment clients on environmental and water issues facing western states focusing on environmental permitting and compliance, state and federal regulation, Columbia River Treaty, government contracts, as well as general legal support for projects ranging from business dissolution to protecting grazing and mineral rights. His background includes extensive coursework in climate change, ecology, fisheries, and environmental science.


  • Hendrix College  (B.A., 2015)
  • Vermont Law School  (J.D., magna cum laude, 2017)

Bar Admissions

  • District of Columbia
  • Idaho

Professional Affiliations

  • Idaho State Bar Environmental and Natural Resources Section, Vice-Chair (2020-21)
  • Twin Falls Historic Preservation Commission, Commissioner

Honors & Awards

  • Capital Pro Bono Honor Roll, High Honors Recognition (2023)
  • Denise O’Donnell Day Pro Bono Award, Idaho State Bar (2020)