He is the author of Timeless and Transitory: … numerous articles and reviews about Romania. He edited and reintroduced Athene Palace, by Countess R. Waldeck, republished in several editions and translations. He revised, i.a., the entries on Romania for the Encyclopaedia Britannica, edition 2000. He was Fulbright Professor in Romania, at the Babeş-Bolyai University in Cluj-Napoca and at the University of Bucharest (2000-2002).
At the present time he is the coordinator of advanced area studies for Romania and Moldova at the Foreign Service Institute (U.S. Department of State).
He holds a Ph.D. from the University of Bucharest.