Project Leadership Team
Lab Focus
The Center for Digital Human Security (CDHS) brings together policy expertise and technological innovation to address emerging cyber threats. By collaborating with partners across government, industry, and civil society, CDHS develops solutions that help safeguard global digital infrastructure and uphold human dignity in the digital age.
Sergio Caltagirone
Professor of the Practice, School of Public Policy — Georgia Institute of Technology
Sergio Caltagirone is a Cybersecurity Professor of the Practice at the Georgia Institute of Technology and a recognized pioneer in the fields of cyber threat intelligence and network defense. With over twenty years of experience, he has led foundational security organizations at the National Security Agency (NSA), Microsoft, and Dragos, Inc., where he focused on hunting sophisticated threats to global infrastructure. Beyond his technical contributions such as including the creation of the Diamond Model for intrusion analysis, Sergio is dedicated to humanitarian efforts, serving as the Technical Director for the Global Emancipation Network to disrupt human trafficking through data science. At Georgia Tech, his work bridges the gap between complex research and practical defense, preparing the next generation of practitioners to tackle global digital risks.
Harry Oppenheimer
Assistant Professor, School of Public Policy — Georgia Institute of Technology
Harry Oppenheimer is an Assistant Professor at the Georgia Institute of Technology’s Jimmy and Rosalynn Carter School of Public Policy, with a courtesy appointment in the School of Cybersecurity and Privacy. His research sits at the intersection of international relations and the digital world, focusing on topics like economic statecraft, data governance, internet measurement, and how states use — and are shaped by — digital interdependence. He holds a Ph.D. in Government from Harvard University and a B.A. from New York University, and previously held postdoctoral fellowships at Lawrence Livermore and Los Alamos National Laboratories. His work has been published in leading journals including the British Journal of Political Science and the Journal of Peace Research, and he has contributed policy commentary to outlets such as Lawfare and the Council on Foreign Relations.
Jonathan Horowitz
Legal advisor - International Committee of the Red Cross (Regional Delegation for the United States and Canada)
Jonathan Horowitz is a legal advisor and deputy head of the legal department at the International Committee of the Red Cross (ICRC) Regional Delegation for the United States and Canada, based in Washington, D.C. He focuses on legal issues pertaining to new and emerging technologies in armed conflict, urban warfare, and partnered operations. He’s the author of numerous pieces on the legal and practical implications that arise when technology companies provide their services and products to belligerents involved in armed conflict.
When Might Digital Tech Companies Become Targetable in War?, Tech Policy Press, Oct 13, 2023
The Business of Battle: The Role of Private Tech in Conflict, Lawfareblog.com, Sept. 17, 2024
One Click from Conflict: Some Legal Considerations Related to Technology Companies Providing Digital Services in Situations of Armed Conflict, Chicago Journal of International Law, 2024,
Mauro Vignati
Advisor on digital technologies of warfare - International Committee of the Red Cross
Mauro Vignati is an advisor on digital technologies of warfare at the International Committee of the Red Cross (ICRC), focusing on aspects such as the militarisation of digital space and AI, the exploitation of the cognitive domain as a means of confrontation, and the impact of digital technologies in armed conflicts on civilians, civilian critical infrastructure and society as a whole. Mauro gained 20 years of experience in various cybersecurity positions.