Knowledge Bridge

Global Intelligence for the Digital Transition


Constantine Kamaras is Vice Chairman of 24 Media, Greece’s leading Digital Media Group both in terms of total users and advertising revenues. Constantine was previously Publisher & CEO of, one of the largest sports portals in Greece and, before that, Director for Management and Marketing Services of the Paris-based World Association of Newspapers, and Head of Electronic Publishing at Lambrakis Press S.A, Greece’s largest media group. Constantine remains very active in international associations, both as Chairman of IAB Europe’s Board of Directors and as Head of OPA Europe’s “Research & Insights” program, focusing on best practices in digital publishing.