Dr. Dimitri Kusnezov [Kooz-NETS-off] was confirmed as the Under Secretary for the Science and Technology Directorate (S&T) on September 8, 2022. As the science advisor to the Homeland Security Secretary, Dr. Kusnezov heads the research, development, innovation and testing and evaluation activities in support of the Department of Homeland Security’s (DHS) operational Components and first responders across the nation. S&T is responsible for identifying operational gaps, conceptualizing art-of-the-possible solutions, and delivering operational results that improve the security and resilience of the nation.