UK chief executive of Omnicom Media Group wins promotion to global role.
The ad legend has been with the agency for 34 years.
The announcement ends a 15-year relationship with Bartle Bogle Hegarty.
Watch the films conceptualised by Memac Ogilvy here
Apac head Chris Foster will be COO, both take up new roles next year.
A report and all the case study videos we could find from the Contagious presentation at AdAsia 2011
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