Kate Howe was named managing director of gyro London, leading the office alongside Mike Shackle, executive creative director. Howe most recently served as European president for Draftfcb where she aided in the London acquisitions of digital agency Blue Barracuda and integrated agency Inferno. While at Draftfcb, Howe also managed the global Beiersdorf account and successfully led a number of local pitches and defended the Post Office direct response account. Nick Jefferson, who has served as managing director of gyro London since 2012, is moving to a new opportunity in Spain. "It's gyro's goal to completely redefine the B-to-B discipline as …