September 2022
Accepted to the inaugural Chevron Studio Cohort
Part of the Inaugural Chevron Studio Cohort in partnership with Chevron Technology Ventures and the National Laboratory of the Rockies.
Engineered for impact
Ammonia, reimagined
At Ammobia, our engineers and scientists are building low-cost, low-carbon ammonia production technology for critical industries around the globe.
Our Mission
Deliver the world's lowest-cost ammonia production technology, enabling economical production at any scale and from any energy source.
Our Journey
Our journey to low-cost ammonia production
March 2023
Ammobia, Incorporated
Ammobia is officially founded by Karen Baert and Tristan Gilbert in San Francisco with a mission to transform the 100-year old ammonia production process.
November 2023
Pre-seed funding and Forbes 30 Under 30
Ammobia raises pre-seed funding, and co-founders are recognized by Forbes for their groundbreaking work in Manufacturing & Industry.
June 2024
Successful proof-of-reactor concept
Demonstrated low-pressure, low-temperature operations at Ammobia HQ in San Francisco.
June 2025
World's best single-pass conversion
After a 250x scale up to industrial reactor configuration, record-setting feedstock conversion sustained over a 1,000-hour test.
October 2025
Shell New Energy Challenge
Ammobia wins Shell's New Energy Challenge as a leading innovative solution to accelerate the energy transition.
January 2026
Raised $7.5M in seed round
With participation from Shell Ventures, Air Liquide's ALIAD, MOL Switch, Chevron Technology Ventures, and Chiyoda Corporation.
2022
2023
2024
2025
2026
2022
2023
2024
2026
2025
September 2022
Accepted to the inaugural Chevron Studio Cohort
Part of the Inaugural Chevron Studio Cohort in partnership with Chevron Technology Ventures and the National Laboratory of the Rockies.
March 2023
Ammobia, Incorporated
Ammobia is officially founded by Karen Baert and Tristan Gilbert in San Francisco with a mission to transform the 100-year old ammonia production process.
November 2023
Pre-seed funding and Forbes 30 Under 30
Ammobia raises pre-seed funding, and co-founders are recognized by Forbes for their groundbreaking work in Manufacturing & Industry.
June 2024
Successful proof-of-reactor concept
Demonstrated low-pressure, low-temperature operations at Ammobia HQ in San Francisco.
June 2025
World's best single-pass conversion
After a 250x scale up to industrial reactor configuration, record-setting feedstock conversion sustained over a 1,000-hour test
October 2025
Shell New Energy Challenge
Ammobia wins Shell's New Energy Challenge as a leading innovative solution to accelerate the energy transition.
January 2026
Raised $7.5M in seed round
With participation from Shell Ventures, Air Liquide's ALIAD, MOL Switch, Chevron Technology Ventures, and Chiyoda Corporation.
Awards
Winner for breakthrough ammonia production technology
Winner 2025 women-led startups pitch competition
Energy startup pitch winner
Most promising energy tech company
Honoring Ammobia’s founders for leadership in industrial innovation
Selected for CDL, a leading science-based startup accelerator
Team
The team behind Haber-Bosch 2.0
Ammobia is led by experienced engineers and industry professionals focused on practical innovation and measurable impact.
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Karen Baert
Co-founder & CEO
Tristan Gilbert
Co-founder & CTO
Guido Radaelli
Chief Engineering Officer
Eric Jin
Process Engineer
Edward Hsieh
R&D Engineer
David Koshy
Reaction Engineer
Patrick B. Gibson
R&D Engineer
Charlotte Ng
Materials Engineer
Soham Kulkarni
Process Engineer
Ian Kuhlenthal
Growth & Strategy
Hans Vrijenhoef
Advisor
Dr. Naomi Boness
Advisor
Dorian West
Advisor
Alex Panchula
Advisor
Rob Stevens
Advisor
Lorenzo Rosa
Advisor
Alan Engbrecht
Engineering Technician
Jonathan Chen
Chemical Engineer
Bernd Haveresch
Business Development
Cindy Njogu
Executive Assistant
Fabio Zurcher
Materials Engineer
Alex Henderson
R&D Engineer
Team
Advisors
Experienced industry and technical leaders supporting Ammobia’s development and scale-up.
Lorenzo Rosa
Advisor
Rob Stevens
Advisor
Alex Panchula
Advisor
Dorian West
Advisor
Dr. Naomi Boness
Advisor
Hans Vrijenhoef
Advisor
Location
Where we operate
Ammobia operates from its headquarters in San Francisco, California, with a European subsidiary in Oslo, Norway.
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