Mumbai, June 21 -- Rory Sutherland, British advertising veteran and vice-chairman of Ogilvy UK, wears multiple hats-adman, TED speaker and a published writer. An old Ogilvy hand with more than two decades of experience in advertising, Sutherland was in Mumbai to promote his third book, Alchemy: The Surprising Power Of Ideas That Don't Make Sense, which blends behavioural science, brand stories and a touch of branding. "I'm not suggesting that my book will result in an upheaval in everything we know. I want brands and advertisers to find solutions in simple human truth than heavily relying on rationally argued statements," he says. Sutherland, who joined the agency as a graduate trainee in 1988, co-founded Ogilvy's behavioural science divisi...