Cybersecurity Advisor, Cybersecurity and Infrastructure Security Agency, U.S. Department of Homeland Security
Dave currently serves as the one of the Cybersecurity Advisors within region VIII with Rick Gardner. Rick primarily covers UT, WYO, and Montana while Dave has CO, SD, and ND. The CISA Cybersecurity Advisor program includes promoting cyber resilience with public and private sectors partners through various engagements and performing risk and resilience-based assessments. Mr. Sonheim began his federal career in 2002 with DoD in the Information Management Directorate for the COLO National Guard G6 office. Serving as the Deputy CIO for the last seven years at the agency. As part of his connection to the National Guard he is also an actively drilling National Guard Officer with over 25yrs of service. His current role is the Defensive Cyber Operations Team Chief where he runs the Cyber incident response Blue team. He served as the TF Cyber Commander for the CDOT SamSam ransomware event in 2018. Early in 2019 Mr. Sonheim transitioned to DHS/CISA in his current role as a CSA for region VIII.