WPP’s commerce specialist agency Geometry has
appointed Arnicia Arrington as North America Chief People Officer. The 25-year human resources veteran most recently served as senior partner, people, operations & performance at
MediaCom, the GroupM firm that is also part of WPP. Previously she oversaw human resources at Revolt Media & TV and earlier served at BET/Viacom where she was senior director, overseeing HR for
the Washington DC and California offices.