[6] On November 15, 1987, Lozoraitis succeeded Stasys Bačkis as the leader of Lithuania's diplomatic service in exile, the position held by his father until 1983.

[7] The diplomatic service, based in Washington, D.C., was representation of interwar independent Lithuania and did not recognize authority of the Lithuanian SSR, a republic of the Soviet Union.

On September 6, 1991, following August Putsch in Moscow and international recognition of independent Lithuania, Lozoraitis resigned the diplomatic service in favor of the national government established in Vilnius.

[7] In December 1991, he was appointed as the new government's chief diplomat to the United States, where he re-established the embassy.

[6] He was a candidate in the Lithuanian presidential election of February 1993, gathering 38.9% of vote and losing to Algirdas Brazauskas.