# Calysta

> Calysta is a San Mateo, California biotechnology company that uses a patented gas-fermentation platform to turn methane into FeedKind, a single-cell protein for aquaculture, livestock and pet feed - and increasingly human food. Its bacteria eat natural gas instead of arable land, plants or animals, producing protein with a low environmental footprint. Backed by Cargill, BP and Temasek and partnered with Adisseo through the Calysseo joint venture, Calysta opened the world's first industrial-scale single-cell protein plant in Chongqing, China in 2022.

- **Founded:** 2012
- **Headquarters:** San Mateo, California, United States
- **Founders:** Alan Shaw (Co-founder, President & CEO), Josh Silverman (Co-founder)
- **Team size:** ~59 employees
- **Products:** FeedKind Aqua, FeedKind Pet, FeedKind (livestock), Gas fermentation platform
- **Notable:** Built and switched on the world's first industrial-scale single-cell protein facility (Chongqing, China, 2022)., Raised $157M+ across multiple rounds from Cargill, BP, Mitsui and Temasek., FeedKind received MARA approval for use in aquaculture feeds in China.

## Products & services

- **FeedKind Aqua** — Single-cell protein ingredient for aquaculture feed, positioned as a sustainable replacement for fishmeal and fish oil.
- **FeedKind Pet** — Protein ingredient for cat and dog food; shipped to Europe and used in complete dog food and treats.
- **FeedKind (livestock)** — Protein for pig, poultry and early animal nutrition applications.
- **Gas fermentation platform** — Patented process using methanotrophic bacteria (Methylococcus capsulatus) to convert methane/natural gas into non-GMO microbial protein.

## Achievements

- Built and switched on the world's first industrial-scale single-cell protein facility (Chongqing, China, 2022).
- Raised $157M+ across multiple rounds from Cargill, BP, Mitsui and Temasek.
- FeedKind received MARA approval for use in aquaculture feeds in China.
- Expanded FeedKind from fish feed into pet food, with shipments into Europe.

## Latest updates

- **2025-02** — Calysta and Marsapet launched a complete dog food featuring FeedKind Pet protein under the Marsavet line.
- **2024-08** — First major shipment of FeedKind Pet protein arrived at Calysta's warehouse in Poland, following the FeedKind Aqua launch.
- **2024** — Calysseo received MARA approval and an export permit, enabling international shipments of FeedKind from Chongqing.
- **2022-10** — Calysseo switched on the world's first industrial-scale alternative protein facility in Chongqing, China.

## Links

- Website: https://calysta.com
- LinkedIn: https://www.linkedin.com/company/calysta
- Twitter/X: https://twitter.com/FeedKind

---

Profile page: https://yespress.io/calysta
Published by YesPress — https://yespress.io
Last updated: 2026-07-13