It's all change at the helm of the Global Commerce Initiative as Luc Vandevelde and Christian Koffman make way for Cees van der Hoeven and Antony Burgmans. The GCI is an advisory group for the development of voluntary electronic transaction standards for business. The outgoing co-chairmen who founded the initiative, Marks & Spencer chairman and CEO Luc Vandevelde and Johnson & Johnson worldwide chairman Christian Koffmann, yesterday announced the appointment of Ahold CEO Cees van der Hoeven and Unilever chairman Antony Burgmans to succeed them.