He is also a member of Vanderbilt-Ingram Comprehensive Cancer Center at Vanderbilt University. He obtained his Ph.D. from Banaras Hindu University in 1999. He performed his postdoctoral studies in tumor immunology at the CNRS/INSERM Center of Immunology, France and the National Cancer Institute, Maryland. His laboratory focuses on understanding functional cross-talk between T lymphocytes and natural killer cells and their activation signaling mechanisms in tumor models. He has over 30 research publications to his credit in cancer and immunology journals.