Where does Isaac Tolley work?

Isaac Tolley is Founder of Juno.

Where did Isaac Tolley go to school?

Isaac Tolley studied at Y Combinator; UCL (MSc, Bioscience Innovation and Enterprise); UCL (BSc, Biochemistry (Molecular Biology)).

Isaac Tolley

Founder

Founder at Juno

San Francisco, California, United States

FoundedJuno · YC

Find your path to Isaac

167 people in our graph share verified history with Isaac — schools, employers, funds. One of them is your warm intro.

Anya RajaniunlockedIsaac: together at UCL (2022)

×3Isaac: together at UCL

×7Isaac: together at Putnam

Isaac: together at City of London School

About

Isaac Tolley studied molecular biology at UCL and has worked as a neuroscience researcher at UCL. He previously founded or led protein engineering work at Mimotype and built medical chatbot systems for the NHS, roles that inform his current position as co-founder and CTO at Juno.

Founder at Juno YC X26

Intro paths

Isaac went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.

Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran Juno's batch and knows the company first-hand. YC profile ↗

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In turn, Isaac can intro founders to Juno's investors below.

Juno's investors · 7

Ada VenturesLondon · $317.5K – $1.3M checks ArtesianSydney · $20M checks Entrepreneur FirstBengaluru · $1M – $7M checks Lobster CapitalSan Francisco Sterling RoadSan Francisco · $50K – $150K checks Transpose Platform ManagementHouston Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Juno

Marshall GouldFounder

Experience

Juno (YC P26)Co-Foundercurrent2025 — presentLondon Area, United Kingdom
Founders, Inc.Fellow2026
Mimotype Technologies GmbHFounder's Associate2025
SharedGenesCo-Founder2025
Innovation ForumProject Manager2024 — 2025
BrightdaleFellow2024 — 2025Berlin, Germany
PutnamSummer Associate Consultant2024
GSKResidential Biologist2023
Windrose Consulting GroupLife Sciences Analyst2023Greater London, England, United Kingdom
UCLResearcher2022Greater London, England, United Kingdom
iGEMProject Lead2019 — 2020
UK Dementia Research InstituteResearcher2020

Skills & more

Grade 8 Violin — ABRSM

From Isaac's professional profile.

Frequently asked questions

Who is Isaac Tolley?: Isaac Tolley studied molecular biology at UCL and has worked as a neuroscience researcher at UCL. He previously founded or led protein engineering work at Mimotype and built medical chatbot systems for the NHS, roles that inform his current position as co-founder and CTO at Juno.
Where does Isaac Tolley work?: Isaac Tolley is Founder of Juno.
What companies did Isaac Tolley found?: Isaac Tolley founded Juno.
Where did Isaac Tolley go to school?: Isaac Tolley studied at Y Combinator; UCL (MSc, Bioscience Innovation and Enterprise); UCL (BSc, Biochemistry (Molecular Biology)).