Isaac Tolley is Co-Founder and CTO of Juno, a Y Combinator-backed AI personal health assistant built for the 1 billion people worldwide living with chronic illness.

Isaac studied Molecular Biology at University College London (UCL), where he also conducted neuroscience research, and previously served as a Founder's Associate at Mimotype, a protein engineering startup.

Isaac led a 35-person team to win iGEM, the prestigious international synthetic biology competition, demonstrating rare cross-disciplinary leadership at the intersection of science and technology.

At Juno, Isaac drives the technical vision and product development, helping the company scale from launch to $50k MRR and 80,000+ patients supported globally within months of going live.

As part of Y Combinator's Spring 2026 batch, Juno is rapidly establishing itself as a leading AI health companion, addressing a critically underserved market with a fast-growing consumer platform.