- Chairman and Program Director, Athens Democracy Forum and Member of the Editorial Board, The New York Times
- Editor, Special Sections, The New York Times
- Managing Director, Communications, European Bank for Reconstruction and Development
- Editorial Director, Democracy & Culture Foundation
- Political Scientist and Chairman, Center for Liberal Strategies, Sofia
- Former President, U.N. Security Council, and Professor in the Practice of Public Policy, National University of Singapore
- Executive Director, Kofi Annan Foudation
- Founder, Truth & Reconciliation Conversations
- Executive Editor, Kathimerini
- Journalist, Author, TV and Radio Host, Speaker and Moderator
- Editorial Director, The New York Times Licensing Group
- Global Civic Partnerships Manager, Facebook
- Director, School of Collective Intelligence, UM6P, Morocco
- Head of Mishcon Purpose, Mishcon de Reya
- Executive Director, NewDemocracy Foundation
- United Nations Secretary General’s Envoy on Youth, United Nations