RTOC Contacts

EPA Region 9's Regional Tribal Operations Committee (RTOC) contact lists are updated quarterly, including regional and national workgroup members, Regional Indian Programs Steering Committee (RIPSC) members, and GAP project officers.

Tribal Co-Chair

Roman Orona
rorona@ak-chin.nsn.us

EPA Co-Chair

Josh F.W. Cook (EPA Region 9 Administrator)
cook.josh@epa.gov

Nomination Form

• 2025-2027 RTOC Tribal Representative Nomination Form (pdf) (403.43 KB, September 30, 2024)
  This form is for a Tribal Official to submit a nomination for a 2025-2027 RTOC representative (EPA Region 9).

Contact Lists

• EPA Region 9 Tribal Section Project Officer List (pdf) (152.03 KB, December 27, 2024)
  This list provides contact information for EPA Pacific Southwest (Region 9) Tribal Section Project Officers for Arizona, California, Nevada, and Consortia Tribes.
• EPA Region 9 RTOC Elected Representatives 2025-2027 (xlsx) (31.46 KB, March 21, 2025)
  EPA Pacific Southwest (Region 9) Regional Tribal Operations Committee (RTOC) elected representatives.
• EPA Region 9 and National RTOC Workgroup Leads (pdf) (170.66 KB, February 22, 2024)
  Contact information for EPA Pacific Southwest (Region 9) and National Regional Tribal Operations Committee (RTOC) Workgroup leads.
• Regional Indian Programs Steering Committee (RIPSC) Members (pdf) (147.83 KB, January 8, 2024)
  Contact information for EPA Pacific Southwest (Region 9) Regional Indian Programs Steering Committee (RIPSC) Members.