Reuben is CEO of Transformational Business Network. Prior to this he was a Fellow and Associate Director for Africa at the World Economic Forum in Switzerland. He has also been the founding CEO of Tearfund Ireland, an international development organisation, Chair of the Irish Humanitarian Committee and advisor to Oxford Ventures, a social enterprise consultancy. He completed a Executive Masters in Leadership with Wharton, Colombia, London and INSEAD Business Schools and a Masters in Public Health at the London School of Hygiene and Tropical Medicine.