David Aufhauser, the chief business officer of the live-streaming video service Justin.tv, has just announced that he’s “transitioning out” of the company this month. The departure comes roughly one week after Caleb Elston, the startup’s vice president of product, announced that he has left to launch a new startup called Yobongo, a stealth mobile business. Founded [...]

UStream, a Mountain View, Calif.-based provider of an interactive video broadcast platform, has raised $20 million in Series B funding from Softbank, at a post-money valuation of approximately $145 million. Softbank also has the option to invest another $55 million, while UStream says it plans to expand the round via “pending” commitments from other investors in Asia and the U.S.

Ustream previously raised over $11 million from DCM Capital and Band of Angels.