He was the minister of industry from January 12, 1894 to March 21, 1894, and October 15, 1894 to June 25, 1895 and October 11, 1897 to June 30, 1899, minister of foreign affairs from March 21, 1894 to October 15, 1894 and from December 23, 1902 to March 23, 1903, as well as a diplomat and participant in all wars of the time. Lozanić was the ambassador of the Serbian government in London from 1900. He was a president of Serbian refugee aid committee in 1916 and a head of US mission for aid and support of Serbia from 1917.