Vijay K. Singh is a tenured professor at the Uniformed Services University of Health Sciences (USUHS) and a principal investigator at the Armed Forces Radiobiology Research Institute (AFRRI), Bethesda, Maryland, USA. He is a well-recognized scientist in the area of radiation countermeasure development. After completing his Ph.D. from the Central Drug Research Institute, Lucknow, India, he received his formal post-doctoral training at USUHS, NEI, and NCI, NIH. Previous to his current position, he served Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, as an additional professor till 2001. Since 2001, he has been at USUHS and AFRRI. He is also a member of the Indian Immunology Society and the Radiation Research Society. His research interests have focused on the development of radiation countermeasures for acute radiation syndrome (ARS) and delayed effects of acute radiation exposure (DEARE), understanding the mechanism of radiation injury, and identification and. validation of biomarkers for radiation injury and countermeasure efficacy. He has made significant contributions to developing several promising radiation medical countermeasures for ARS. He is well funded by various funding agencies of the US Department of Defense (CDMRP, DTRA, JPC7, DMRDP) and the Department of Health and Human Services (BARDA/NIAID).