Marshall Gould

Marshall Gould is Co-Founder and CEO of Juno, a Y Combinator-backed AI personal health assistant built to serve the 1 billion+ people living with chronic illness.
Marshall holds an MSc in Genomic Medicine from the University of Oxford, where he also contributed as a writer for The Oxford Scientist, exploring the ethical dimensions of genomic research.
He is the author of 3 scientific publications and a winner of multiple hackathons, demonstrating deep expertise at the intersection of genomics, AI, and patient health.
Marshall co-founded Juno alongside Isaac Tolley, building the product on Oxford and UCL research combined with insights from 1,000+ patient interviews, and secured backing from Y Combinator and Sterling Road.
Since launching in October 2024, Juno has reached $50k MRR and now supports over 80,000 patients globally, with a rated app available on iOS and Android.