CMR Surgical is one of the most exciting businesses in the UK, but you probably haven't heard its story. Until now. Dr Mark Slack, the co-founder and chief medical officer, guides us through how CMR built a robot to do keyhole surgery and became a business valued at more than $3bn (£2.3bn), backed by investment giants like SoftBank and Tencent.

It is a story that involves a failed athletics career, military service and a meeting of minds in Cambridge akin to The Beatles getting together...