David is a medical doctor and HIV/AIDS researcher who has made many innovative state of the art scientific contributions to the understanding and technological treatment of HIV infection. He is the scientific director and chief executive officer of the Aaron Diamond AIDS Research Center and the Irene Diamond Professor at Rockefeller University in New York City. David has been at the forefront of AIDS research for three decades. He has published over 400 papers, enabling the scientific community to understand the mechanism of HIV replication. He championed the combination anti-retroviral therapy which had earlier been developed by scientists at NIAID and Merck. This approach allowed the control of HIV replication in patients. Ho has received numerous honors and awards for his scientific accomplishments. He is the recipient of 12 honorary doctorates, including those from Columbia University and Tsinghua University. David was Time magazine’s 1996 Man of the Year, and on January 8, 2001, he was presented with the Presidential Citizens Medal by President Clinton. He received his bachelor of science in physics with highest honors from the California Institute of Technology and an MD from the Harvard-MIT Division of Health Sciences and Technology.