Security and risk management advisory firm Chertoff Group has augmented its team of experts with the addition of four senior advisors. All of the new hires bring extensive experience with national security initiatives. Joel Brenner previously acted as the head of U.S. counterintelligence while Robert Butler recently served as the deputy assistant secretary of defense for Cyber Policy. Additionally, Bryan Cunningham held positions with the Bush and Clinton Administrations and Paul Rosenzweig held a variety of roles with the Department of Homeland Security.
