Dr. Srinivasan Velusamy is the Microbiologist in the Streptococcus Laboratory, US Centers for Disease Control and Prevention, which conducts surveillance, research and public health response to Streptococcus pneumoniae, and groups A and B streptococcus. Dr. Velusamy joined CDC in 2009 as Microbiologist. He has worked extensively in method development and validation for streptococcal species detection, antimicrobial resistance, and molecular epidemiology. He is the curator for CDC’s Group A streptococcal M protein database since 2011. Before joining CDC, Dr. Velusamy worked as postdoctoral fellow in Emory University’s Rollins School of Public Health and Food Safety Center of Excellence at the University of Tennessee. Dr. Velusamy earned Bachelor and Master degree from Bharathiar University and completed his PhD in Biological sciences in the University of Madras, India.