Champ joins Stack

London-based advertising and marketing agency Stack has appointed James Champ to the role of planning director. In his new role Champ will be charged with leading the agency’s planning department and to boosting its strategic offering across all clients. At Stack he will join the senior management team led by chief executive, Ben Stephens, who he will report directly to. Champ’s appointment further strengthens the Stack team following the hiring in 2015 of Caroline Kimber, the data strategy director, and Robin Murray, the creative services director, both from VCCPme.