Dr. Marshall Plaut is a medical officer at NIAID in Bethesda, MD. He graduated from Johns Hopkins University School of Medicine, and served on the faculty in the Department of Medicine, Division of Allergy and Clinical Immunology, for 17 years. Dr. Plaut’s early career focused on research on immune mechanisms of T cells and basophils, and their relevance to allergic diseases. He then moved to his current position as an NIAID medical officer and project scientist, who directs the NIAID extramural research portfolio for allergic diseases. He is responsible for medical oversight of clinical trial participants, in particular for trials in food allergy and atopic dermatitis. He is responsible for a broad program of investigation regarding the underlying immunology, pathogenesis, diagnosis, prevention, treatment and management of human allergic diseases. He led the clinical oversight component of the NIAID-led effort to develop practice guidelines for the diagnosis and management of food allergy, published in 2010. He is the author of over 100 publications, including 15 on food allergy research. He is a co-author of 3 papers related to the Learning Early about Peanut Allergy (LEAP) cohort, led by Professor Gideon Lack, who has demonstrated that consuming peanuts early in life prevents the subsequent development of peanut allergy.