Arturo Casadevall is Leo and Julia Forchheimer Professor of Microbiology & Immunology at the Albert Einstein College of Medicine of Yeshiva University. He is Chairman of the Department of Microbiology and Immunology, and served as Director of the Division of Infectious Diseases from 2000-2006. Dr Casadevall received both his M.D. and Ph.D. (Biochemistry) degrees from New York University (NYU) in New York, New York. Subsequently, he completed internship and residency in internal medicine at Bellevue Hospital in New York. Later he completed subspecialty training in Infectious Diseases at the Montefiore Medical Center and Albert Einstein College of Medicine. Dr. Casadevall s major research interests are in fungal pathogenesis and the mechanism of antibody action. In the area of Biodefense, he has an active research program to understand the mechanisms of antibody-mediated neutralization of Bacillus anthracis toxins. He is a fellow of the American Academy of Microbiology and was elected to the American Society for Clinical Investigation, to the American Association of Physicians and as a fellow of the AAAS. Dr. Casadevall has served on numerous advisory committees to the NIH including study sections, strategic planning for the NIAID and the blue ribbon panel on response to bioterrorism. He currently co-chairs the Board of Scientific Counselors for the NIAID and is a member of the National Science Advisory Board for Biosecurity (NSABB). He is the founding editor of the first ASM general journal, mBio and serves on the editorial boards of several journals.