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