Peter Piot MD, PhD is the Director of the London School of Hygiene & Tropical Medicine and Professor of Global Health. He was the founding Executive Director of UNAIDS and Under Secretary-General of the United Nations from 1995 until 2008. Professor Piot co- discovered the Ebola virus in Zaire in 1976, and led research on AIDS, women’s health, and public health in Africa. He was a Scholar in Residence at the Ford Foundation and a Se- nior Fellow at the Bill and Melinda Gates Foundation. He held the 2009 chair “Knowledge against poverty” at the College de France in Paris.