Timothy Snyder is an author, historian, and professor at Yale University, where he teaches about the history of Central and Eastern Europe, focusing on the rise of authoritarian regimes. He is recognized for his knowledge of the political violence and ideologies that shaped the twentieth century. Snyder has written a handful of books that delve into historical events to help us understand present-day threats to democracy and human rights. He helps his readers understand how they can respond to modern political challenges by looking to the past.