Dr Paul Ekman has spent 50 years studying facial micro expressions of people around the world, including the isolated Fore tribesmen in Papua New Guinea. Dr Ekman found that human emotions and facial expressions are universally understood and biologically innate: we use 43 facial muscles at each moment, whether we are conscious of it or not.
Dr Ekman is a master of noticing these micro expressions and understanding their unspoken meaning. He has created the F.A.C.E training program, which will benefit anyone who is interested in knowing what people are really thinking. Dr Ekman has used his skillset in the CIA and FBI to determine deception.