Christian Marrone

John Edward McLaughlin (born June 15, 1942) is an American intelligence official who was Deputy Director of Central Intelligence and briefly acting Director of Central Intelligence. He is a Senior Fel...

Dr. Julia Nesheiwat

July 18, 2024

Dr. Julia Nesheiwat served as our nation’s 10th Homeland Security Advisor. A former U.S. Army combat veteran and diplomat, she is an expert on the intersection of energy security, climate resilience, ...

Peter Bergen

June 22, 2023

Peter Lampert Bergen (born December 12, 1962) is an American journalist, author, and producer who is CNN's national security analyst, a vice president at New America, a professor at Arizona State Univ...

Kirstjen M. Nielsen

July 18, 2024

Kirstjen Michele Nielsen (/ˈkɪərstən/; born May 14, 1972) is an American attorney who served as United States Secretary of Homeland Security from 2017 to 2019. She is a former principal White House de...

William Bratton

June 22, 2023

William Joseph Bratton CBE (born October 6, 1947) is an American businessman and former law enforcement officer who served two terms as the New York City Police Commissioner (1994–1996 and 2014–2016)....

John S. Pistole

July 18, 2024

John S. Pistole (born June 1, 1956) is the former administrator of the United States Transportation Security Administration (TSA) and a former deputy director of the Federal Bureau of Investigation.[1...

William Evanina

July 17, 2024

William R. EvaninaFounder and CEO of the Evanina Group. Former Director of the National Counterintelligence and Security CenterMr. Evanina currently serves as Founder and CEO of the Evanina Group advi...

: July 18, 2024

Marrone was chief of staff of the U.S. Department of Homeland Security for former Secretary Jeh Johnson and also held a number of senior positions within the U.S. Department of Defense, including special assistant to then-Secretary Robert Gates, and acting assistant secretary of Defense for Legislative Affairs.

Profile on Linked