A journalist and author, Dr. Waller brings expertise in terrorism, intelligence, the former Soviet Union and the Americas. He has covered wars and political violence in five countries, has written for Insight magazine, Reader's Digest, the Washington Times and the Wall Street Journal and has served as a consultant to the U.S. Department of State. He holds a Ph.D. in international security affairs from Boston University, and is a former staff member of the United States Senate. He holds the Walter and Leonore Annenberg Chair in International Communication at the Institute of World Politics, a graduate school of national security.