Prior to that, he consolidated Omnicom's three media arms to form the Optimum Media Direction business in 2002. He is also responsible for expanding the group's Middle East operation, which has overtaken some of the region's established players.
The company achieved one of its biggest coups in 2004 after securing the Dubai government's consolidated media business account, one of the region's largest ever wins.
Khouri, who has dual Lebanese/French nationality and a French wife, came into the media industry through a creative background. He worked in client services at BBDO in Dubai, Beirut and Cyprus and says media was "a new word" when OMD launched in the Middle East in 2002.
An influential figure, he has been in the Arabian Business Power List for the past three years.