"As Manfred Kets de Vries, a professor at Insead business school, shows in a new book, the psychological condition of leaders can have a profound impact on all those who work under them." (Financial Times, October 2006)

"Fascinating Freudian look at chief executives and their occasionally rather damaged psychologies. Read this ..." (FTmagazine, December 2006)

"...Manfred Kets de Vries, sets out to change people ... for the better by revealing the 'dark side' of leadership behaviour..." (Professional Consultancy, January 2007)