Marcus Sachs is a member of the CSIS Commission on Cyber Security for the 44th Presidency and is Verizon's executive director for national security policy. He is a retired U.S. Army officer, a former presidential appointee to the staff of the National Security Council, and was part of the original cadre of the DHS National Cyber Security Division in 2003. Since 2003 he has volunteered as the director of the SANS Internet Storm Center. Prior to joining Verizon in 2007 he was the deputy director of SRI International's Computer Science Laboratory.