# Garth Sheldon-Coulson

> Garth Sheldon-Coulson is the co-founder and CEO of Panthalassa, a Portland, Oregon company building free-floating, wave-powered nodes that generate clean electricity in the open ocean and pair it with onsite AI computing. A Harvard-trained lawyer with an MIT master's and a Bridgewater investing background, he pivoted from finance to spend nearly a decade inventing marine energy hardware. In May 2026 Panthalassa raised a $140M Series B led by Peter Thiel, pushing its valuation near $1 billion, on a bet that the open ocean is one of only three energy sources on Earth with tens of terawatts of untapped capacity.

- **Role:** Co-Founder & CEO at Panthalassa
- **Organizations:** Panthalassa, Lone Gull Holdings, Ltd., Bridgewater Associates, Stanford University
- **Nationality:** United States
- **Education:** Doctor of Law (J.D.), Harvard Law School, Master of Science (S.M.), Massachusetts Institute of Technology, Bachelor of Arts (B.A.), Swarthmore College, Secondary education, Horace Mann School, Secondary education, Hong Kong International School
- **Known for:** Co-founded and leads Panthalassa, a near-billion-dollar wave-power and ocean-compute company, Raised a $140M Series B led by Peter Thiel, with John Doerr and Gigascale Capital participating, Named inventor on multiple wave energy patents including inertial pneumatic wave energy devices

## Career timeline

- **2007-2008** — Research Fellow at Stanford University
- **2014-2016** — Senior Investment Associate at Bridgewater Associates
- **2016** — Co-founded Panthalassa as a public benefit corporation with engineer Brian Moffat
- **2016-present** — Co-Founder & CEO of Panthalassa, developing wave-power and ocean-compute technology
- **2018-2020** — Filed multiple wave energy patents through Lone Gull Holdings
- **2026** — Raised $140M Series B led by Peter Thiel; valuation near $1 billion
- **2026** — Preparing to deploy Ocean-3 pilot series
- **2027** — Commercial ocean-compute systems planned

## Achievements

- Co-founded and leads Panthalassa, a near-billion-dollar wave-power and ocean-compute company
- Raised a $140M Series B led by Peter Thiel, with John Doerr and Gigascale Capital participating
- Named inventor on multiple wave energy patents including inertial pneumatic wave energy devices
- Built a 12-person leadership team drawing engineers from SpaceX, Google, Blue Origin, Apple, Boeing, Amazon, and Tesla
- Developed and validated the Ocean-2 prototype, a 70-meter node generating up to a megawatt of continuous power
- Structured Panthalassa as a public benefit corporation

## Latest updates

- **2026-05** — Panthalassa raised $140M Series B led by Peter Thiel, reaching a valuation near $1 billion.
- **2026-06** — Profiled by Forbes as the startup floating AI data centers at sea, with chief engineer Daniel Place joining from SpaceX.
- **2026** — Preparing to deploy the Ocean-3 pilot series ahead of planned commercial systems in 2027.

## Links

- Website: https://panthalassa.com
- LinkedIn: http://www.linkedin.com/in/garthsheldoncoulson

---

Profile page: https://yespress.io/garth-sheldon-coulson
Published by YesPress — https://yespress.io
Last updated: 2026-07-01