# Ryan Shearman

> Ryan Shearman is a New York-based mechanical engineer and entrepreneur, co-founder and founding CEO of Aether Diamonds and now CEO and co-founder of Loa Carbon. His career spans jewelry development at David Yurman, motorcycle technology at Fusar, atmospheric-carbon diamonds and synthetic natural gas. After Grown Brilliance acquired Aether in 2024, he focused on applying the underlying carbon-conversion technology to energy.

- **Role:** CEO and Co-founder at Loa Carbon
- **Organizations:** Loa Carbon, Aether Diamonds, Fusar Technologies, David Yurman, The Nanz Company, Maison Luxe (board appointment announced in 2022), NEXUS Global
- **Education:** B.S. in Mechanical Engineering, Fairfield University
- **Known for:** Co-founded Aether Diamonds and led the commercialization of diamonds made using captured atmospheric carbon., Led Aether during its $18 million Series A funding round announced in March 2022., Aether was included in TIME’s Best Inventions of 2022.

## Career timeline

- **Early career** — Worked in architectural hardware and metal casting before moving into jewelry product development.
- **Before Fusar** — Worked on product development for David Yurman’s men’s jewelry team.
- **2013** — Co-founded Fusar Technologies, developing connected technology for motorcycle and action-sports helmets.
- **2016** — Fusar appeared on CNBC’s Adventure Capitalists; Shearman discussed the importance of shipping its first hardware products.
- **2017** — Organized a motorcycle charity event for hurricane disaster relief; later described the experience as influencing his desire to build an impact-oriented company.
- **2018** — Sold his previous venture and co-founded the business behind Aether with Daniel Wojno after reading Drawdown and discussing atmospheric-carbon diamonds.
- **2020** — Aether began production in September according to Shearman’s October interview; its website launched in December.
- **2021** — Aether began shipping diamonds to consumers in mid-2021.
- **2022** — Aether announced an $18 million Series A in March; Maison Luxe announced Shearman’s appointment to its board in June.
- **2024** — Grown Brilliance acquired Aether; Shearman focused on Loa Carbon and applications including synthetic natural gas.
- **2026** — Featured as Loa Carbon’s CEO and co-founder on Product Talk in September.

## Achievements

- Co-founded Aether Diamonds and led the commercialization of diamonds made using captured atmospheric carbon.
- Led Aether during its $18 million Series A funding round announced in March 2022.
- Aether was included in TIME’s Best Inventions of 2022.
- Aether earned B Corp certification during his tenure.
- Founded Fusar, a connected motorcycle technology company that shipped hardware products and appeared on Adventure Capitalists.
- Appointed to Maison Luxe’s board of directors in June 2022.

## Latest updates

- **2026-09** — Appeared on Product Talk as Loa Carbon CEO and co-founder to discuss synthetic natural gas, product development and commercialization.
- **2025-04** — Listed as Loa Carbon CEO and a speaker on synthetic fuels at Deep Tech Week in New York.
- **2024-09** — Discussed Aether’s acquisition, diamond manufacturing margins and Loa Carbon’s energy applications in JCK.
- **2024-08** — Grown Brilliance announced its acquisition of Aether Diamonds.

## Links

- Website: https://loacarbon.com/
- LinkedIn: https://www.linkedin.com/in/ryanshearman
- Twitter/X: https://x.com/ryanshearman_

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Profile page: https://yespress.io/ryan-shearman
Published by YesPress — https://yespress.io
Last updated: 2026-10-26