Hardly a week goes by without hearing or reading about the phenomenon of Imposter syndrome; the feeling of being a fraud or waiting to be 'found out' by the people around us. In fact 70% of people have felt like imposters at some stage in their career. So what is this syndrome and what happens to us when we experience it? Margie Hartley talks to author, Mindset and Performance coach and founder of Imposterhood Suzanne Mercier about how imposter syndrome manifests, why it occurs and what to do about it.