And Greg Ballard has brought one of his colleagues with him.
Former Glu Mobile boss Greg Ballard has been appointed as CEO of mobile video advertising firm Transpera.
He's been joined by former Glu chief technology officer Alex Galvagni, who'll take up a role as COO at Transpera.
Company founder Frank Barbieri is stepping back to a role as chief product officer, overseeing product marketing strategy.
The appointments follow Transpera's recent announcement that it had raised $9 million in its third round of financing.
"I'm thrilled to join Transpera at this exciting stage in the company's growth," says Ballard.
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"This dedicated team has worked hard to produce a mobile network of the industry's most respected content publishers, and a mobile video ad platform that brings remarkable opportunities to brand advertisers."
Ballard's six years at Glu included highs and lows. He guided the company to its high-profile IPO, and grew its revenues to become the third largest mobile games publisher in the Western world, behind EA and Gameloft.
However, the company took a cautious approach when Apple launched its App Store for iPhone and iPod touch, and fell back in the pecking order on that platform.
