Simon Willmetts is an associate professor of intelligence studies at the Institute of Security and Global Affairs at Leiden University. He is the author of In Secrecy's Shadow: The OSS and CIA in Hollywood Cinema, 1941?1979.

Constant Hijzen is the historical adviser at the Dutch General Intelligence and Security Service (AIVD) and is a research fellow in intelligence and security at Leiden University. He is the author of Roots of Counterterrorism: Contemporary Wisdom from Dutch Intelligence.