Joining upstart is surprise move by former Dentsu Aegis boss.
He remains bullish about the 'robust' agency model.
Asia will contribute more than 40% of the global adspend growth, according to the company's latest forecast.
Major tech companies such as Google are not as dominant around the world as the UK and US perceives them to be, Jerry Buhlmann, chief executive of Dentsu Aegis Network, has said.
Highlights of sessions about the 'Goliaths' of the media world at the recent Media360Asia summit.
LONDON - Aegis Group, the owner of the Carat and Isobar networks, has posted a 41% year-on-year increase in pre-tax profits in the first six months of 2011 and reported a "good performance" across the UK brands.
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