IMM tapped Matt Ingwalson as creative director.

Kathleen Polett and Kevin O'Donnell have both been promoted to senior vice president of syndication sales for NBCUniversal Domestic Television Distribution.

Beth Viner was named CEO of Interbrand New York & San Francisco.

Discovery Life Channel promoted Julie Meisner Eagle to vice president of production and development.

BBC AMERICA promoted Melissa Drucker to senior vice president, television sales, leading the channel's ad sales team.

Girls on the Run Twin Cities hired Kathleen Cannon as program director.

GroupM named Harvey Goldhersz as chief data officer and CEO of GroupM Analytics, and Phil Cowdell as North America CEO of MediaCom, a GroupM agency. Goldhersz joins GroupM from MediaCom, where he has served as vice chairman and worldwide COO for the past ten years. Prior to that, Goldhersz was founder and CEO of MediaCom Digital and CEO of Beyond Interactive, merging four separate entities -- Beyond Interactive, MediaCom Digital, media.com and Grey E-Media. Goldhersz's responsibilities at MediaCom will be absorbed by the agency's current leadership team, led by Worldwide Chairman and CEO Stephen Allan. Goldhersz has also been CEO …

Rob Glaser has been appointed the permanent CEO of RealNetworks, after a two-year stint as interim CEO.

Rafi Kugler joined barrettSF as director of recruiting, charged with helping build the agency across all departments. Kugler joins the agency after several years as head of recruiting at Pereira O'Dell and DraftFCB. Prior to that he worked alongside barrettSF principals Jamie Barrett, Patrick Kelly and Pete Harvey at Goodby, Silverstein & Partners.

Shareaholic hired Robert Gibson, former sales director at Tremor Video, as vice president of sales.