Mark Birdsall from Leeds, UK, is the founder and editor of Eye Spy Intelligence Magazine (since 2001). He has worked as an investigative journalist, analyst and espionage writer for 35 years producing over 1,500 reports associated with the subject.
He has worked as a consultant to numerous international media productions including film, television and radio. In addition to publishing, he works with various military and government agencies teaching 'tradecraft', surveillance and investigative procedures.