Randall Rothenberg leaving Interactive Advertising Bureau as president and CEO Jan....

Randall Rothenberg leaving Interactive Advertising Bureau as president and CEO Jan. 17 to become Time Inc. chief digital officer; Chief Operating Officer Patrick Dolan will lead group as it searches for new CEO … Skip Pizzi, ex-Radio Ink, Microsoft and NPR, joins NAB as director-digital strategies … ShoreTel hires Peter Blackmore, ex-UTStarcom, as president and CEO; Don Girskis, who was interim CEO, resumes position as senior vice president of worldwide sales.