As head of cybersecurity strategy, Nathaniel is responsible for thought leadership, public engagement, and overseeing Illumio's security technology strategy. Nathaniel is a regular speaker at leading industry events, and his writing has appeared in industry publications, the popular press, and academic journals.

Prior to Illumio, Nathaniel investigated and prosecuted domestic and international cybercrime at the U.S. Department of Justice, advised the South Korean government on technology policy, and served as director for cybersecurity policy on the National Security Council at the White House. Nathaniel received a B.S. in computer science from the University of Chicago and a J.D. from Yale Law School. He has served as a Peace Corps volunteer on the island of Saint Vincent and as a Luce Scholar based in Seoul, South Korea.