This piece compiles the four presentations of the session on Global Health Diplomacy and Disaster Diplomacy, held virtually on the third day of the 2020 AAAS-TWAS Summer Course on Science Diplomacy on September 23, 2020. 

The authors discuss the urgent necessity for the U.S. to address enduring systemic issues and develop strategies to integrate diplomacy into various dimensions of global health initiatives to significantly improve global health. 

This is the story of PEPFAR's creation and early implementation from the perspective of the U.S. ambassador to Uganda, among the first countries in Africa to use data and evidence to describe, track, and treat HIV and AIDS patients.