Prime Minister of Thailand Rajanubhab took over this role. In fact, the office most considered the precursor of that of the prime minister was the ancient office of "Samuha Nayok" (สมุหนายก), which was run by an "Akkhra Maha Senabodi" (อัครมหาเสนาบดี) or "chief minister in charge of civilian affairs". The first Prime Minister of Siam was Phraya Manopakorn Nititada, a judge. The title of the office was changed from "Prime Minister "of Siam"" to "Prime Minister "of Thailand"" in 1945 and then permanently with the renaming of Siam to Thailand in 1949. For most of its existence the office has been occupied by Army leaders;
Military Secretary to the Prime Minister Military Secretary to the Prime Minister The Military Secretary to the Prime Minister (, "Ha-Mazkir Ha-Tzvaei Shel Rosh-Ha'Memshalah"), is the senior military adviser to the Prime Minister of Israel on military and national security issues. As a member of the Military Staff, the position is privy to most products of the Israeli Intelligence Community. The position's current incumbent is Major-General Eyal Zamir. Earlier Military Secretaries held the rank of Lieutenant Colonel (). In later years, Major-General's () and Brigadier Generals () have served in the position. It has been suggested that the raising of status of the Military Secretary has