Born in Sopoto, Kalavryta, to the lawyer Andreas Sofianopoulos and Athena Papageorgiou, he was elected a member of parliament for the Serres constituency in the 1933 Greek election, representing the Farmers' Party. He served twice as Foreign Minister of Greece between 1945 and 1946. From 1950 to 1951 he again served as a member of parliament, representing the Democratic Alignment.
- Economical and political study on the Balkan States and on Central and Eastern Europe, Athens 1927
- Geographical, political and geo-economical studies on the basin of the Danube, the Balkan peninsula and of East Mediterranean
- Arnold Dreyblatt, Who is Who in Central & East Europe