Sony Computer Entertainment's SingStar boss Paulina Bozek is leaving Sony to work with her former boss Phil Harrison over at Atari.
Bozek will be heading up a new online game studio at the firm.
"I am very excited to be joining Atari at this pivotal time for both the company and the industry," said Bozek.
"There is a huge opportunity as gaming platforms become more ubiquitous, more connected and attract more mainstream audiences. Atari has a great vision for the future and I can't wait to start realising that vision in new products and services."
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"This is a significant step in expanding Atari's online game development capability," said Phil Harrison.
"Paulina is one of the industry's most respected creative leaders with an outstanding track-record of commercial and creative success and I'm delighted that she will bring her unique vision, consumer insight and proven ability for creating amazing entertainment experiences to Atari."