'Shout it from the rooftops, promote your idea'

Over the past six years, Gerry Cottle Jr has built up a $6m (£4.4m) a year business, showing films on the city rooftops. He was born into a famous circus, and while he left the business he puts down his success to watching how his father promoted his circus.

Video journalist: Jeremy Howell

Follow #CEOSecrets on our website here.

Published
Section
BBC News
Subsection
Business