David Nabarro, a globally recognized health expert who led the U.N.’s response to the Ebola and COVID-19 pandemics, has passed away at the age of 75. Known for his strategic leadership, Dr. Nabarro was a key figure in directing international efforts during some of the most severe health crises of the 21st century. His tenure as the U.N. Secretary General’s special envoy for Ebola in 2014 laid the groundwork for subsequent global health initiatives, particularly in responding to the unprecedented challenges of the coronavirus pandemic.