 Between 1906 and 1919, he lived first in Finland, then in Liège (Belgium) from 1908, where he completed his studies and received a diploma in mining engineering from the Technical University and another one from the Electrotechnical Institute, then he worked on the railroad in Serbia.In 1919, he was a member of the Lithuanian delegation at the Versailles Conference being held in Paris.In October 1919, Galvanauskas became Prime Minister of Lithuania, serving until April 1920.