Ivan Ivanovich Sergeyev (7 September 1941 – 9 February 2024) was a Russian diplomat who served as Director General of GlavUpDK, the Main Administration for Service to the Diplomatic Corps.[1] He was Ambassador Extraordinary and Plenipotentiary and an Honored Developer of Russia. He was one of the founding fathers of Russian Golf.[2] Sergeyev died on 9 February 2023, at the age of 82.[3]