GroupM has announced the realignment of top media investment executives at Maxus, MEC and MediaCom.

Under the changes, Christine Fuller becomes the managing partner, media investments at MediaCom. Fuller previously worked as managing partner, director of implementation at MEC. In her new role she will be responsible for overseeing all media buying operations for the agency’s client roster.

Christine Fuller

Also moving into a new role is John Miles, who becomes the managing director, media investments at Maxus. Miles most recently worked as managing partner, director of investments at MediaCom. In the newly created role, Miles will be responsible for total integration of the agency’s investment strategy across all media channels in a new unit dedicated to media buying.