Dr. Cross is Professor of Medicine at the Center for Vaccine Development and Global Health (CVD). He is trained in internal medicine and infectious diseases and has been a physician-scientist, with a primary interest in vaccine development, for over 40 years. Dr. Cross develops conjugate vaccines to prevent infection and colonization from Gram-negative bacteria including Pseudomonas aeruginosa, Klebsiella, and E. coli. Dr. Cross has served two rotations on the Anti-infective Drug Advisory Committee of the U.S. Food and Drug Administration (FDA), numerous special emphasis panels and a permanent study section for the NIAID and Department of Defense, an advisory committee for meningococcal vaccines at the Walter Reed Army Institute of Research, and on many data safety and monitoring committees for clinical studies sponsored by industry and the National Institutes of Health (NIH). He is past-President of the International Endotoxin and Innate Immunity Society, Reviews Editor for Innate Immunity and on the editorial board of Vaccines.