Yamamato The President [George W. Bush] intends to nominate Donald Y. Yamamoto, of New York, to be Ambassador Extraordinary and Plenipotentiary of the United States of America to the Federal Democratic Republic of Ethiopia. Ambassador Yamamoto, a career member of the Senior Foreign Service, currently serves as Deputy Assistant Secretary of State in the Bureau of African Affairs at the Department of State. Prior to this, he served as Ambassador Extraordinary and Plenipotentiary of the United States of America to the Republic of Djibouti.