Over the past two decades at the NewsHour, he has booked and produced scores of exclusive interviews with foreign leaders, U.S. national security advisers, secretaries of defense and state, senior military officers, members of Congress, and other key government officials.

Dan initially joined the NewsHour with Jim Lehrer in May 1996 as a reporter, responsible for producing discussion segments on the Middle East, Asia, defense, terrorism and intelligence issues. The show promoted him to deputy senior producer in 2003. Before joining the NewsHour, Dan was one of the producers of America's Defense Monitor, a 30-minute weekly television series on defense and foreign policy issues, broadcast nationally on PBS and cable television.

Dan received a Master's Degree in International Affairs from Columbia University's School of International and Public Affairs in 1987, specializing in international security policy. He received a BA in history from Boston University in 1984.