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Twelve

Berkeley, California, United States
www.twelve.co
Twelve is a carbon transformation company focused on converting captured carbon dioxide into valuable chemicals, fuels, and other essential products traditionally derived from fossil fuels. With an emphasis on decarbonizing commercial aviation, Twelve is scaling its operations, including the construction of a pioneering sustainable jet fuel facility in Washington state.

Leadership & Board

Key Executives
Co-Founder and CSOEtosha Cave
VP of Project Development and PartnershipsAndrew Stevenson
Head of People OperationsCheng Li
Chief of StaffHeidi Lim
Current Number of Employees139
Current LinkedIn Followers15,856

Latest Estimated Valuation

Estimated Valuation
Estimated Valuation
Total Amount Raised$645M
Total Amount Raised$645M
Total Funding Rounds1
Total Funding Rounds1
Latest Funding Amount$645M
Latest Funding Amount$645M
Latest Funding RoundSeries C
Latest Funding RoundSeries C
Post-Money Valuation
Post-Money Valuation

Employee Trend

Twelve had 139 employees as of April 27, 2026. The number of employees increased by 1 (0.72%) week-over-week.
139Latest Employee Count
1(0.72%)Week-Over-Week Change
Employee Trend serves as a data-driven indicator of company growth and expansion. The measurement reflects how a company’s workforce size changes over time.

Social Trend

Twelve had 15,856 followers as of April 27, 2026. The number of followers increased by 139 (0.88%) week-over-week.
15,856Latest Followers Count
139(0.88%)Week-Over-Week Change
LinkedIn Follower Trend serves as a data-driven indicator of market interest and company visibility. The measurement reflects how a company’s LinkedIn follower count changes over time.

Main Enterprise Clients

Funding Round

Funding Date
Funding Round
Amount Raised
Post-Money Valuation
Aug 14, 2025
Series C
$645.00M

Investors

Investor Name
Funding Round

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