Nathaniel C. "Nate" Fick is an American technology executive, board member, author, and former United States Marine Corps officer. Since 2012 he has been the CEO of Endgame, Inc., a cyber security software company based in Washington, D.C. and San Francisco, CA. He is also an Operating Partner at Bessemer Venture Partners. He came to public notice for his writing on military life and the conflicts in Afghanistan and Iraq. Fick is the author of One Bullet Away: The Making of a Marine Officer, a memoir of his military experience published in 2005 that was a New York Times bestseller, one of the Washington Post's "Best Books of the Year," and one of the Military Times' "Best Military Books of the Decade."