We’ve come 12,000 kilometres from Auckland to Medellín, on the trail of Chris Ashenden, the chief executive of AG1. We don’t have his number or his address, but we think he lives here.

Today’s Medellín is a vibrant city that’s attracting new investment and faces from around the world – but the legacy of drug lord Pablo Escobar and the paramilitaries still echoes in violence on the streets. You might expect us to pack Kevlar body armour for our visit. Instead, we pack our gym gear – because one thing we do know about Chris the Kiwi, is where he works out.

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