Lan Zhang is an accomplished Executive Director at Merck, specializing in infectious disease, vaccine, and biologics discovery since August 2007. Prior to this role, Lan Zhang was a Helen Hay Whitney Postdoctoral Fellow at Harvard Medical School and Children's Hospital Boston from 2003 to 2007. Lan Zhang holds a Ph.D. in Molecular Biophysics and Biochemistry from Yale University and a B.S. in Molecular Biology and Biochemistry from Beijing University.