Levitsky received his doctoral degree from UC-Berkeley. His areas of research include political parties and party change, informal institutions and organizations, and political regimes and regime change. His primary regional interest is Latin America, with a particular focus on Argentina and Peru. He is author of Transforming Labor-Based Parties in Latin America: Argentine Peronism in Comparative Perspective (Cambridge University Press, 2003). He is currently writing a book on the rise of competitive authoritarian regimes in Latin America, Africa, Asia, East-Central Europe, and the former Soviet Union during the post-Cold War era. He is also co-editing a book (with Gretchen Helmke) on informal institutions in Latin America.