Cameron Death has been promoted to senior vice president & general manager, NBC Universal Digital Studio.

The Barbarian Group hired Colin Nagy as executive director of earned / social media. Nagy was previously partner at Attention, a New York-based social media marketing firm.

Andy Heath joined Optimedia US as senior vice president, communications strategy director, working on L'Oréal USA. He joins from WPP Group's MindShare New York, where he was managing partner, communications planning director on Unilever.

OneScreen hired Biff Burns as vice president of sales and marketing. Previously, Burns was senior director of business development at Mercury Media.

AdGenesis named Michael Kelley, most recently partner of PricewaterhouseCoopers's digital media practice, as chief marketing officer.

iris launched an office in Atlanta, to be headed by managing director Jon Wright.

Two Wunderman offices in Australia (Sydney and Melbourne) will report directly to Wunderman Asia region president, Stephane Faggianelli. Previously, Wunderman's operations in Australia were under the aegis of Young & Rubicam Brands Australia. The move increases Faggianelli's role in the region, expanding his portfolio to 27 offices in 13 countries.

Wieden+Kennedy Portland hired Jeff Gillette as integrated creative director, and promoted Karl Lieberman and Ryan O'Rourke to creative directors. Gillette joins the agency from Google Creative Lab, where he was creative director working on Chrome, Search, YouTube and other Google properties.

Bill Oberlander joined JWT New York as executive creative director, where he will oversee the Microsoft Commercial business. Most recently, Oberlander served as the chief creative officer and executive vice president of Cossette New York.

Jeannette Trout was promoted to vice president, operations at Razorfish Health.