Founder and CEO of Circular, the Paris smart-ring company. After a rocky first generation, Circular Ring 2 raised about $4M on Kickstarter and reached backers through late 2025 and 2026; the Ring 3 Pro and Slim added payments. Named alongside Ultrahuman and RingConn in Oura's 2024 ITC patent action — the case that reshaped the US ring market.