Cirque du Soleil and agency Sid Lee discuss their unconventional partnership

As any advertising and marketing professional will tell you, forming a truly healthy partnership between agency and brand is rare.It certainly wasn't easy for Cirque du Soleil, the Montreal-based global entertainment company and theatrical producer, to find an agency partner to embrace all its eccentricities and unconventional ways of working. Sheila Morin, senior director of marketing and brands at Cirque du Soleil, said the company has at times trie