Dries Buytaert is the original creator and project lead for Drupal, a powerful open source platform for building websites and digital experiences. Dries is also Co-founder and Executive Chair at Acquia, the open source digital experience company.
Honored as a Young Global Leader by the World Economic Forum, he holds a PhD in computer science and engineering from Ghent University and a Licentiate Computer Science (MsC) from the University of Antwerp. Dries also has been recognized as CTO of the Year by the Massachusetts Technology Leadership Council, New England Entrepreneur of the Year by Ernst & Young and a Young Innovator by MIT Technology Review.
He blogs frequently on Drupal, open source, business, and the future of the web at dri.es.
A noted policy expert and former diplomat, she oversees the Bulletin‘s publishing programs, management of the Doomsday Clock, and a growing set of activities around nuclear risk, climate change, and disruptive technologies.
Before joining the Bulletin, Alexandra Bell served as the Deputy Assistant Secretary for Nuclear Affairs in the Bureau of Arms Control, Deterrence, and Stability (ADS) at the U.S. Department of State. There she managed the Offices of Strategic Stability and Deterrence and Multilateral and Nuclear Affairs. From 2017 to 2021, Bell was the Senior Policy Director at the Center for Arms Control and Non-Proliferation and the Council for a Livable World. Previously, Bell served as a Senior Advisor in the Office of the Under Secretary of State for Arms Control and International Security and as an Advisor in ADS, then named the Bureau of Arms Control, Verification and Compliance. Before joining the Department of State in 2010, she worked on nuclear policy issues at the Ploughshares Fund and the Center for American Progress.