Bob Raczka joins Fathom as associate creative director/writer and Mark Wiegard will serve as associate creative director/art director.

Mediabrands has appointed Brian Monahan as executive vice president, managing partner of IPG's Media Lab. Most recently, he was senior vice president, global lead of social media for Universal McCann.

Initiative hired Jason Harrington and Julia Jones as senior vice president, group account directors, and promoted Todd Gordon to senior vice president, managing director national broadcast.

KickApps Corporation, a social content management system company, created a new social media strategy division to be run by Alan Wolk.

MEC named Susan Schiekofer as managing partner, account director, responsible for all digital media planning and buying activities on the AT&T business. Most recently, Schiekofer was managing director at Neo@Ogilvy, responsible for clients including Time-Warner Cable, Medco and Sara Lee.

Andrea Kerr Redniss was named vice president, group media director at Moxie Interactive.

Dan Coughlin was named director of sales for the eastern region at Twitter. Previously, Coughlin was the director of media sales at Facebook. In addition, Amanda Levy was named director of sales for the western region. Most recently, Levy oversaw west coast sales for Yelp.

Joe Garcia was named president of McCann Midwest. Garry Neel, who previously held a dual role leading McCann Midwest and overseeing the General Motors business, is shifting to a dedicated role for General Motors, overseeing the business globally and in the U.S. as executive vice president, global account director. Garcia previously headed BBDO's Detroit operations and oversaw that agency's Chrysler business.

Donovan Batiste has been promoted to vice president, research & media planning for Hallmark Channels.

Stefan Wegner and Nathan Monleith were promoted to co-creative directors and will oversee the Canadian Tire brand at TAXI. In addition, Jason McCann moves from executive creative director, digital to co- executive creative director of TAXI Toronto.