A picture of Zoī cofounder Ismaël Emelien ©11h45

The big interview

November 26, 2025

The ex-Macron advisor taking on healthtech: ‘I was frustrated by everything we weren’t achieving’

Ismaël Emelien worked with French president Emmanuel Macron for years before launching his own startup

Forget the prohibitive diets and hundreds of daily supplement pills made famous by longevity guru Bryan Johnson. 

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Daphné Leprince-Ringuet

Daphné Leprince-Ringuet is a senior reporter for Sifted, based in Paris. She covers French tech and writes Sifted's AI and Deeptech newsletter . You can find her on X and LinkedIn

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