• by Amy Corr  @MediaPostOTL, January 3, 2014

Seattle Wunderman Network has hired Kai Musielak as group account director. Musielak will lead the agency's global engagement with Microsoft's consumer-facing brands, with a focus on Xbox and Customer Service Support. Most recently, Musielak served as account managing director for mcgarrybowen in New York, where he managed the agency's work on loyalty programs including Marriott Rewards. Prior to that, Musielak led work for clients like Chase, Dell and Disney.