Miray Tayfun

Miray Tayfun is the co-founder and CEO of Vivoo, a San Francisco-based health technology company that turns urine test strips into personalized wellness insights via a mobile app. A bioengineering graduate and serial founder, she built Vivoo from a personal frustration with expensive and slow health testing into a platform serving 300,000+ users across 50+ countries. Backed by Tim Draper and $19.4M in total funding, Vivoo expanded from subscription test strips to a $99 smart toilet unveiled at CES 2026, named Best of CES by Gadget Flow. Tayfun is a 2019 Australian Financial Review Top 100 Women of Influence honoree and 2018 Laureate Here for Good Award winner.