# Juno

[Juno on Hacklab](https://hacklab.so/org/juno-chat)

Startup · 2 people on Hacklab

## Links

- [Website](https://junocompanion.com/)
- [Y Combinator](https://www.ycombinator.com/companies/juno-chat)
- [LinkedIn](https://www.linkedin.com/company/junocompanion)
- [X](https://x.com/junocompanion)

## About

<!-- hacklab:yc-profile -->

## YC company profile

AI Health Assistant for Chronic Illness

Juno is an AI personal health assistant for the 1B+ people living with chronic illness.

Launched in October, Juno now supports 300,000+ patients globally.

- **YC batch:** Spring 2026
- **Founded:** 2025
- **Team size:** 5
- **Location:** London, United Kingdom
- **Country:** GB
- **Status:** Active
- **Industry:** Healthcare
- **Stage:** Early
- **YC partner:** David Lieb

## Founders

### Isaac Tolley — Founder/CEO

Co-Founder & CTO of Juno. Previously built medical chatbots for the NHS, Founder's Associate at Mimotype (protein engineering) and neuroscience researcher at UCL. Studied Molecular Biology at UCL, ranked 2nd.

[LinkedIn](https://www.linkedin.com/in/isaactolley/) · [X](https://x.com/isaactolley_)

### Marshall Gould — Founder/CTO

Co-Founder & CEO of Juno. MSc in Genomic Medicine from the University of Oxford, ranked 1st. Author of 3 scientific publications and winner of multiple hackathons.

[LinkedIn](https://www.linkedin.com/in/marshall-gould/) · [X](https://x.com/MarshallJGould)

[Source: Y Combinator](https://www.ycombinator.com/companies/juno-chat) · Retrieved 2026-11-02. Company information is self-reported on YC.

## Current staff

- [Isaac Tolley](https://hacklab.so/isaac-tolley) — Founder/CEO (Present)
- [Marshall Gould](https://hacklab.so/marshall-gould) — Founder/CTO (Present)

## Open jobs

- [Founding Mobile Engineer at Juno](https://hacklab.so/jobs/de1c42b2-d676-53c1-8d17-cea050464b35) — Full\-time · On\-site · San Francisco, CA, US · $130 \- $200K · 0\.50% \- 1\.00% equity
- [Social Media Manager](https://hacklab.so/jobs/8a4aeefe-aee9-5c16-bf6f-4ad3088b9ca3) — Full\-time · On\-site · San Francisco, CA, US · $60K \- $110K
- [AI Founding Engineer at Juno](https://hacklab.so/jobs/68f2d828-503d-5b2b-b07c-124532be5835) — Full\-time · On\-site · San Francisco, CA, US · $130K \- $200K · 0\.50% \- 1\.00% equity
- [Social Media & Content Intern](https://hacklab.so/jobs/5b8906c3-742f-50b9-a84a-28f7489b84d1) — Internship · Remote · London, England, GB / San Francisco, CA, US / Remote \(US\) · $2K \- $3K / monthly
- [Growth & Operations Intern](https://hacklab.so/jobs/12c2f936-f1fc-5487-8d3b-6c96fe8e8570) — Internship · Remote · San Francisco, CA, US / London, England, GB / Remote \(US\) · $2K \- $3K / monthly