• FAA – Engine & Propeller Directorate, Aircraft Certification Service (Sponsor, Co-Chair, Fuels Specialist)
  • FAA – Emission Division, Office of Environment and Energy
  • FAA – Aviation Research & Technology Development Office, William J. Hughes Technical Center
  • EPA – Environmental Protection Agency
  • General Aviation Industry Engineering Consultant (Co-Chair)
  • AOPA – Aircraft Owners and Pilots Association
  • GAMA – General Aviation Manufacturers Association
  • EAA – Experimental Aircraft Association
  • Lycoming
  • Teledyne Continental Motors
  • Cirrus Aircraft
  • Cessna Aircraft
  • API – American Petroleum Institute
  • Shell
  • ExxonMobil
  • NATA – National Air Transportation Association
  • Swift Fuels
  • GAMI – General Aviation Modifications, Inc.
  • Clean 100 Coalition