[2] He was considered one of the leading experts on United States within the Japanese Foreign Ministry.
[2] He was well known in U.S. diplomatic and political circles, and was a contributor to programs at the Council on Foreign Relations in New York City.
[2] He then served as the Japanese Consul-General in New York City before being named a deputy minister in 2010.
[2] Japanese Foreign Minister Koichiro Gemba held a press conference to acknowledge the loss of Nishimiya.
Gemba noted that it will take time to find a capable replacement for Ambassador to China, especially during the ongoing Senkaku Islands dispute.