[1] Hayden came to George Mason in 2009 with his long time General counsel Robert Deitz, and the two have served as professors at the Schar School of Policy and Government since then.

[5][6][7][8][9] From the National Security Agency, former Director Michael Rogers and former General Counsel Glenn Gerstell have joined the center on occasion.

Journalists who have joined the Center in the past have included NBC News Chief Foreign Affairs Correspondent Andrea Mitchell, CBS News Senior Foreign Affairs Correspondent Margaret Brennan, MSNBC Senior Political Analyst Nicolle Wallace, CBS News National Security Correspondent Olivia Gazis, Washington Post Intelligence Columnist David Ignatius, and Washington Post National Security Editor Peter Finn.

[18] In 2018, founder Michael Hayden was hospitalized for a stroke shortly after a highly publicized online row with President Trump over criticism of the administration by former intelligence officials who retained Top Secret security clearances in retirement.

[19] The incident culminated in President Trump stripping former CIA Director John Brennan of his clearance, reportedly at the time considering doing the same to Hayden.