
Charkin will be based in London and report to chief executive Riccardo Zacconi. As part of the company's executive management team, Zacconi will be responsible for driving the company's growth on Facebook, mobile and tablet platforms.
. Ten months later, he landed a role to lead the launch of UK video ad network, BrightRoll, which he left in April 2010.
Charkin has also worked as an executive consultant to multinationals and start-ups, including Endemol, Moviepilot and Habit Industries.
Zacconi said: "We are excited to have Mark on our executive team and look forward to tapping into his rich digital and social media experience, to firmly place King.com as a clear leader in the cross-platform social games space."
King.com is a developer of cross-platform casual games and offers more than 200 exclusive games through King.com, Facebook and mobile devices, across the world.