Office of the Assistant Secretary for Insular and International Affairs (AS-IIA)

Office of the Asst. Secretary (202) 208-4709

Office of Insular Affairs (OIA) Leadership & Teams

  • John Brewer - Director, Office of Insular Affairs

Office of Insular Affairs – Headquarters
U.S. Department of the Interior
1849 C Street, NW
Washington, DC 20240

Office of the Director (202) 208-4736

Policy Division (202) 208-6816
Budget Division (202) 208-6971
Technical Assistance Division (202) 208-4707

Policy Team

Budget Team

Technical Assistance Team

  • Charlene Leizear – Director of Technical Assistance –
  • Tanya Harris Joshua – Deputy Director of Technical Assistance Programs –
  • Weihao Jennifer Feng – Republic of the Marshall Islands, U.S. Virgin Islands, and General TAP and BIL Grants, Maintenance Assistance Grants –​
  • Hailey McCoy – American Samoa, Guam, and Palau TAP and BIL Grants, Brown Tree Snake Grants –​
  • Merriam Porter – Commonwealth of the Northern Mariana Islands & Federated States of Micronesia TAP and BIL Grants, TAP Reimbursable Agreements, Graduate School Contract, Coral Reefs and Natural Resources –​

Honolulu Field Office Team

OIA Honolulu Office
1132 Bishop Street, Suite 2104
Honolulu, Hawaii 96813
Phone (808) 525-5088

OIA Field Representatives

For more information about the DOI Leadership Team, click here.  


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