Blair is a former Senior Fellow for State and Non-State Threats at the Federation of American Scientists and teaches graduate courses for George Mason University's biodefense program and Johns Hopkins University. His current work centers on terrorists' perceptions and command and control of chemical, biological, radiological, nuclear, and high-yield conventional explosive (CBRNE) weapons, focusing on the technical dimensions of CBRNE agents and their potential weaponization by violent non-state actors.

