Mircea Dan Geoana is the Chairman of the Romanian Social-Democrat Party (PSD) since 2005. He is also the Chairman of the Romanian Senate. In January 2006, he was elected Chairman of the Socialist International Committee for South-Eastern Europe. Prior to his political career, Mircea Geoana had a successful diplomatic activity. Appointed Ambassador Extraordinary and Plenipotentiary of Romania to the United States of America at age 37, in February 1996, he was the youngest ambassador in the Romanian diplomatic corps. The excellence of his work was reconfirmed when he received the rank of Ambassador, in March 2000, the highest position in the Romanian diplomatic corps. From 2000 to 2004, Mircea Geoana served as Minister of Foreign Affairs of Romania. In this capacity, throughout the first year in office, he also served as OSCE Chairman-in-Office in 2001. Mircea Geoana is an expert on Trans-Atlantic integration. Author of various books and articles on the subject, he also was a NATO fellow on democratic institutions in 1994. He lectured on foreign policy, transitional economies, and globalization at major American universities and think-tanks. Mircea Geoana has a PhD in world economy at the Economic Studies Academy of Bucharest.