Jonathan Reiber is a writer and security strategist, currently working on issues related to geopolitics and international security at OpenAI. During the Obama administration he served as Speechwriter and Chief Strategy Officer for Cyber Policy in the Office of the Secretary of Defense, where he authored the first two national cyberdefense strategies of the United States. A writer and public speaker, his commentary has appeared in TIME Magazine, Foreign Policy, Lawfare, LitHub, and The Atlantic Monthly among other outlets, and his research has been supported by the Smith Richardson Foundation, the Thomas J. Watson Foundation, and Berkeley’s Center for Long-Term Cybersecurity. He has given main-stage keynote addresses at SXSW, INK, and for Microsoft, and lectured at Harvard, Yale, and Berkeley, among other institutions. He is the author of A Public, Private War, the findings of which were adopted by the U.S. Cybersecurity Solarium Commission and the National Defense Authorization Act of 2021 and led to the creation of the joint cyber defense collaborative at the U.S. Cybersecurity and Infrastructure and Security Agency. A trail runner and outdoorsman, he is a graduate of Middlebury College and The Fletcher School.