Mobile and advertising platform Tapjoy announced today that CEO Mihir Shah resigned and that former Disney Interactive Media Group (DIMG) president Steve Wadsworth and current Tapjoy director has become the new president and CEO of the company.

Wadsworth had spent the past 17 years overseeing Disney’s digital media and technology businesses and his last role with Disney was president of DIMG.

Shah was Tapjoy’s (formally known as Offerpal) third CEO. Before joining Tapjoy he was the VP of ad networks for social game developer RockYou. He was in charge of Tapjoy during its business model shift from the Facebook platform to mobile.

San Francisco-headquartered Tapjoy has raised $70.5 million to date, with investors including J.P. Morgan Asset Management, Rho Ventures, North Bridge Venture Partners, InterWest Partners and D.E. Shaw Ventures.