# Zack Gray

> Zack Gray is the co-founder and CEO of Ophelia, a New York-based telemedicine company he started in 2019 with Columbia Business School lecturer Mattan Griffel. A Columbia astrophysics-and-philosophy graduate turned Wharton MBA, Gray scaled a solar startup to $30M as employee number two before building Ophelia into a Y Combinator-backed, Tiger Global-funded company that has raised roughly $68M across Series A and B rounds.

- **Role:** Co-Founder & CEO at Ophelia
- **Organizations:** Ophelia, Y Combinator (alumnus)
- **Nationality:** American
- **Education:** Astrophysics and Philosophy, Columbia University, MBA, The Wharton School, University of Pennsylvania
- **Known for:** Co-founded and leads Ophelia, a telemedicine company that has raised roughly $68M, Closed a $50M Series B led by Tiger Global Management in December 2021, Backed by Y Combinator, Menlo Ventures, General Catalyst, Refactor Capital and PillPack co-founder Elliot Cohen

## Career timeline

- **Early career** — Employee #2 at a New York residential solar energy startup; became head of growth and helped scale it to $30M in revenue
- **Pre-Ophelia** — Columbia University-funded research scholar
- **2019** — Co-founded Ophelia with Mattan Griffel; selected for Y Combinator
- **2021-05** — Ophelia raised a $15M Series A
- **2021-12** — Ophelia raised a $50M Series B led by Tiger Global, bringing total funding to ~$68M
- **Present** — Continues as co-founder and CEO of Ophelia, a ~360-person company

## Achievements

- Co-founded and leads Ophelia, a telemedicine company that has raised roughly $68M
- Closed a $50M Series B led by Tiger Global Management in December 2021
- Backed by Y Combinator, Menlo Ventures, General Catalyst, Refactor Capital and PillPack co-founder Elliot Cohen
- Scaled a residential solar startup to $30M in revenue as employee #2
- Selected as the Wharton MBA graduation speaker

## Latest updates

- **2021-12** — Ophelia closed a $50M Series B led by Tiger Global, bringing total funding to about $68M.

## Links

- Website: https://ophelia.com
- LinkedIn: http://www.linkedin.com/in/zack-gray-58437936
- Twitter/X: https://x.com/ZarkGray

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Profile page: https://yespress.io/zack-gray
Published by YesPress — https://yespress.io
Last updated: 2026-06-03