'Delegate everything to your team'

Oscar Pierre set up a small shopping service in Barcelona in 2015. Now his company, Glovo, operates in 124 cities, employs over a thousand staff and 1.5 million shoppers use it regularly every month.

Initially Oscar says he was doing everything, but says he has had to learn to delegate tasks to his fellow managers rather than trying to help them by sharing the work.

Video journalist: Jeremy Howell

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