Simon Birkenhead is a chief executive who has spent 25 years managing teams across early stage technology start-ups to the very largest global. He is recognised by his employees as an inspiring manager who is able to help them deliver their best work. Between 2014 and 2019 he didn't have a single employee resign from any of the businesses he led. Educated at Cambridge University and London Business School, Simon is a former global business leader at Google, where he led teams across four continents. He has also held business leadership positions at 3M, Telefónica and Gartner. Since becoming a CEO he has run a number of international businesses out of the UK and New Zealand. He is currently Chief Executive and Board Director for International Volunteer HQ, the world's largest volunteer travel company. Managing People is his first book.