Dr. David Mussington CISSP

Executive Assistant Director for Infrastructure Security, CISA, Dept. Homeland Security (DHS)

Dr. David Mussington serves as the Executive Assistant Director for Infrastructure Security at the Department of Homeland Security’s (DHS) Cybersecurity and Infrastructure Security Agency (CISA) as of February 2021. As Executive Assistant Director, he helps lead CISA’s efforts to secure the nation’s critical infrastructure in coordination with government and the private sector. Key areas of focus include vulnerability and risk assessments; securing soft targets and crowded places; training and exercises; and securing high-risk chemical facilities.