Andrew is a former Chair of the History Faculty at Cambridge University, Official Historian of the Security Service (MI5), Honorary Air Commodore of 7006 (VR) Intelligence Squadron in the Royal Auxiliary Air Force, Chairman of the Cambridge Intelligence Seminar, and former Visiting Professor at Harvard, Toronto and Canberra.

His twelve previous books include a number of studies on the use and abuse of secret intelligence in modern history.

Andrew produced two studies in collaboration with two defectors and former KGB officers: Oleg Gordievsky and Vasili Mitrokhin.

[3] A revelation in 1999 was that Melita Norwood, then long retired, had passed information about the development of nuclear weapons and other intelligence to the KGB for several decades.

At these meetings, detailed analysis of various past and present intelligence affairs is discussed under the Chatham House Rule with the confidence that it will not be attributed to a person or organisation.