Program Directors Guido FerrariProfessor in Surgery Wilton Bryan WilliamsCo-Director, DHVI Training and Mentoring Program Scientific Leadership Group Katharine Bar, Ph.D.Associate Professor of Medicine Michael R. Betts, Ph.D.Professor of Microbiology Barton Ford HaynesDirector of the Duke Human Vaccine Institute David Margolis, M.D.Sarah Graham Keenan Distinguished Professor of Medicine, Microbiology & Immunology Santra Sampa, Ph.D.Associate Professor of Medicine at Harvard Medical School Drew Weissman, M.D., Ph.D.Professor in Medicine