Twitter chief Jack Dorsey has been hailed by Silicon Valley acolytes for his personal fitness regime, but others question whether he really merits the role of wellness guru. Horatia Harrod discusses whether the Dorsey regime is worth emulating and what might be motivating his ascetic lifestyle with Jo Ellison, FT fashion editorContributors: Josh Noble, weekend news editor, Horatia Harrod, associate editor of FT Life & Arts, and Jo Ellison, fashion editor and columnist. Producer: Fiona Symon For information regarding your data privacy, visit acast.com/privacy