Constantine Kamaras is Vice Chairman of 24 Media, Greece’s leading Online Media network. Its portfolio includes more than a dozen premier brands as well as content / ad sales partnerships with global properties such as Myspace and Dailymotion.

Kamaras was previously Publisher of Sport.gr, a premier sports portals in Greece. Before that, he was Deputy Director General of the World Association of Newspapers, and Head of Electronic Publishing at Lambrakis Press S.A, Greece's largest media group. 



A Board Member of Interactive Advertising Bureau (IAB) Europe, in December 2001, he founded IAB Greece where he still serves on the Board of Directors. 

Since 1997, Kamaras is a columnist at TA NEA, Greece’s largest selling quality daily, where he comments on media economics. He is also an occasional contributor at WAN-IFRA Magazine, the press industry’s global publication.