epa07309740 William H. Gates III, Co-Chair, Bill and Melinda Gates Foundation, USA, speaks during a panel session in the Congress Hall of the 49th annual meeting of the World Economic Forum, WEF, in Davos, Switzerland, 22 January 2019. The meeting brings together entrepreneurs, scientists, corporate and political leaders in Davos under the topic 'Globalization 4.0' from 22 - 25 January 2019.  EPA/GIAN EHRENZELLER