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Nathaniel Gleicher

Head of Cybersecurity Policy


Nathaniel Gleicher is the Head of Security Policy at Facebook, where he leads a company-wide effort to counter emerging and persistent threats across platforms, including influence operations, cyberespionage, and cybersecurity risks. He is an engineer and lawyer, and has worked in security for more than fifteen years. He has taught computer science, built and secured computer networks, and prosecuted cybercrime at the U.S. Department of Justice, served as director for cybersecurity policy at the National Security Council (NSC) in the White House, and as head of cybersecurity strategy at Illumio. At the NSC he developed U.S. government policy on key technology and cybersecurity challenges, including encryption, cyberdeterrence, internet governance, and network security.

He holds a JD from Yale Law School and a BS in computer science from the University of Chicago.

Baidoa, Somalia

Makeshift, temporary shelter made of plastic and clothing at a refugee center in Baidoa, Somalia.