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This Code Breaker Is Using AI to Decode the Heart’s Secret Rhythms


Inspired by his expertise in breaking ancient codes, Roeland Decorte built a smartphone app that continuously listens for signs of disease hidden in our pulse.

Roeland Decorte grew up in a nursing home in Belgium, where he learned to spot the subtle early signs of mental decline in small changes to how residents walked or talked. So in 2019, lacking medical training but armed with the confidence that only an Oxbridge education can provide, the then 27-year-old Decorte founded a company and turned his attention to cracking a different ancient code: the secret rhythm of the heart. “There was about two years full-time where I was just working out of the spare room in my house doing nothing else.” But the problem he kept running into was noise: Unless you could build a contraption that pressed each sensor right against the skin, there was too much random interference from people moving around in the world to get a good sense of what was actually happening in the body.

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