Dr. Klimburg has advised and published widely on numerous policy topics within the broader field of international cybersecurity since 2007. A former head of the Center for Cybersecurity at the World Economic Forum, he has also served as director of the Cyber Policy and Resilience Program at the Hague Centre for Strategic Studies and director of the Global Commission on the Stability of Cyberspace. He has also held appointments as a fellow and associate of Harvard Kennedy School’s Belfer Center and the Atlantic Council. He has given testimony and advised a number of governments and international organizations on national cybersecurity strategies; international norms of behavior in cyberspace and cyber conflict, including war, cybercrime, and cyber espionage; critical infrastructure protection; and internet governance. He has participated in international and intergovernmental discussions, inter alia, within the United Nations, European Union, Organization for Security and Cooperation in Europe, and G20. He is the author and editor of numerous books, research papers, and commentaries, and has often been featured in the international media, including the BBC, Washington Post, and Wall Street Journal. His book, The Darkening Web The War for Cyberspace, was published by Penguin Press in 2017 and called “a prescient and important book” in the New York Review of Books.