Odysseos will be responsible for maintaining and building Tribal Fusion's network and have overall responsibility for relationships with site publishers and supply platforms.
Managing a team based in the UK and India, Odysseos will report to Tim Brown, the firm's European general manager, who also recently joined from Yahoo! Europe where he worked as head of ad product strategy.
Prior to his role as EU head of media buying at Yahoo!, Odysseos was employed as the firm's operations finance manager.
Before joining Yahoo!, he worked as UK operations & finance director at Blue Lithium for over two years.