Security Studies Published Feb. 11, 2026 Air Command and Staff College Department of Security Studies The Department of Security Studies. Dr. Kevin Holzimmer Dr. Kevin Holzimmer is the Department Chair of the Department of Security Studies at the US Air Force’s Air Command and Staff College (ACSC). Lt Col Brandon Buelow Lt Col Brandon Buelow is the Deputy Department Chair of the Security Studies Department at the US Air Force’s Air Command and Staff College (ACSC). Dr. Ron Dains Dr. Ron Dains is an instructor in the Department of Security Studies. Dr. Brian McNeil Dr. Brian McNeil is an instructor in the Department of Security Studies. Dr. Miruna Barnoschi Dr. Miruna Barnoschi is an instructor in the Department of Security Studies. Dr. Michael Kraig Dr. Michael Kraig is an instructor in the Department of Security Studies. Dr. Matthew Schwonek Dr. Matthew Schwonek is an instructor in the Department of Security Studies. Dr. Shawn Cochran Dr. Shawn Cochran is an instructor in the Department of Security Studies. Dr. Kenneth Johnson Dr. Kenneth Johnson is an instructor in the Department of Security Studies. Dr. Ann Mezzell Dr. Ann Mezzell is an instructor in the Department of Security Studies. Lt Col John Mahan Lt Col John Mahan is an instructor in the Department of Security Studies. Lt Col Gary Adams Lt Col Gary Adams is an instructor in the Department of Security Studies. Lt Col Jennifer Weller Lt Col Jennifer Weller is an instructor in the Department of Security Studies. Lt Col Joshua Payne Lt Col Joshua Payne is an instructor in the Department of Security Studies. Maj Jacob Wiseman Maj Jacob Wiseman is an instructor in the Department of Security Studies.