TRAFFIQ promoted Chris O'Hara to senior vice president of sales and marketing and Scott Portugal to chief revenue officer.

Rebecca Herbst was promoted to associate account director, from account supervisor, at OLSON.

The GigaOM Network named Dan Silmore senior vice president of product and marketing.

Robert Daniel joined OwnerIQ as executive vice president of advertising sales.

MRM Worldwide tapped Marc Fleishhacker as executive vice president, general manager, brand leadership and development of its New York office. Fleishhacker joins MRM from Ogilvy & Mather, where he was the managing director and senior partner.

Ezra Kucharz has been named president, local digital media at CBS. Kucharz joins CBS from FiLife.com, where he served as president and general manager.

Allison Womack has been promoted from director of client services to managing director of Doremus New York.

Tim Andree has assumed chairmanship of Dentsu America. Will Travis will helm Dentsu America as the agency's new CEO. Scott Daly, executive vice president, executive media director at Dentsu America, will now lead the Dentsu network's media group in his new role as chief of media of the Dentsu headquarters team. Lastly, Ric Peralta, president of ATTIK USA, has been named CEO of Dentsu ATTIK.

Draftfcb Healthcare hired Rich Levy as executive vice president, chief creative officer. He joins the agency from GSW Worldwide, where he served as executive creative director.