Harold Hillman PhD is the managing director of Sigmoid Curve Consulting Group. He coaches business leaders and executive teams, guiding them to be more focused in their leadership and teaching them how to inspire others toward greater possibilities. Prior to Sigmoid Curve, Harold served in senior executive roles with Fonterra, Prudential Financial, and Amoco Corporation. His first book, The Impostor Syndrome, was Whitcoulls Business Book of the Year in 2013. His second book, Fitting In Standing Out, was followed by a TEDx Talk, both of which reinforced the importance of authentic leadership.