Captura
Pasadena, US · Founded 2021 · Delaware corporation · 12 known investors
Find your way into Captura
474 people in our graph share verified history with the Captura team — schools, employers, funds. One of them is your warm intro.
John Jarveunlockedknows Harry Atwater · together at Massachusetts Institute of Technology (overlapped)
×8knows the team · via Massachusetts Institute of Technology
×2knows the team · via UC Irvine
knows the team · via University of Birmingham
Captura develops Direct Ocean Capture technology using bipolar membrane electrodialysis to remove CO₂ from the upper ocean and atmosphere. From its Pasadena facility, the company also manufactures high-performance membranes and electrodialysis stacks for carbon removal and other sustainability-focused industrial, resource, and energy applications.
Founders & leadership
Captura was founded in 2021 by Chengxiang Xiang, Bernard David, Harry Atwater, and CX Xiang.
CX
Chengxiang XiangChief Technology Officer
BD
Bernard DavidinCo-founder · Chairman of the BoardBernard David founded SaveSmart (later Prio) and OfficeSupplies.com, both of which were acquired, before shifting his focus to climate and sustainability. He serves as Board Chair of Captura Corp. and founded the Global CO2 Initiative; he has also advised organizations including the Energy Transitions Commission, Joint Center for Artificial Photosynthesis, and the Graham Sustainability Institute, and taught at Wharton.
HA
Harry Atwaterin𝕏Co-Founder and Chief Science OfficerHarry Atwater is a professor of applied physics and materials science at the California Institute of Technology, where he holds leadership roles in its engineering division and directs the Department of Energy's Liquid Sunlight Alliance (having previously led the Joint Center for Artificial Photosynthesis from 2014-2020); his research covers nanophotonics, plasmonics, solar energy conversion, and carbon capture. He is an Executive Officer and Director of Captura, which develops ocean-based carbon capture technology and manufactures membranes and electrodialysis stacks.
CX
CX XianginCo-Founder & CTOXiang is a Research Professor of Applied Physics and Materials Science at Caltech, where he was previously a staff scientist at the Joint Center for Artificial Photosynthesis and a postdoctoral scholar in the Lewis Group. He co-founded Captura in 2021, focusing on electrochemical CO2 capture from seawater.
SO
Steve OldhaminChief Executive OfficerOldham previously led Carbon Engineering Ltd. as CEO from 2018 to 2022, following more than two decades at MDA (Macdonald Dettwiler & Associates), where he rose from software engineer to VP of Strategic Business Development and served as General Manager of Satellite Missions & Robotics. He began his career as a software engineer at Ferranti Computer Systems.
CB
Christene BandaSecretary
Board
Investors · 12
Eni NextBoston
FREEFLOWBerkeley
Future Planet CapitalLondon
Hitachi VenturesMunich
Maersk Growth$1M – $50Mvia Shereen Zarkani · inferred
MOL SwitchPalo Alto
TransLink CapitalSilicon Valley · $1M – $5M
Aramco Venturesreported
Equinor VenturesreportedStavanger · $1M – $70Mvia Katherine Peachey · quoted
National Grid Partnersreported · 3 sourcesLos Gatos
Also in the syndicate · 2
EDPJapan Airlines Innovation Fund/Translink Capital
Funding
SEC filings, press & company announcements$124.8M disclosed across 4 of 6 rounds · 2022–2026
- $12.5MSeries BJun 2026Source ↗
- $45.3MSeries AApr 2024 · 2 sources
Japan Airlines Innovation Fund/Translink Capital, National Grid Partners
Source ↗ - Undisclosed amountSeries AJan 2024Source ↗
▶$53.5MraisedJul 2026 · 45 investors · Other TechnologyRule 506(b)
▶$53.5MraisedJul 2026 · 45 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Stephen James OldhamExecutive Officer, Director
- Chengxiang XiangExecutive Officer, Director
- Michael WheelerDirector
- Ed PhillipsDirector
- Bernard DavidExecutive Officer, Director
- Johan Fredrik PfeifferDirector
- Christene BandaExecutive Officer
- Offering amount
- $60.9M
- Amount sold
- $53.5M
- Finders' fees
- $75K
- Placement agents
- Longspur Capital Limited
- First sale
- Jun 2026
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$13.6MraisedApr 2023 · 19 investors · Other TechnologyRule 506(b)
▶$13.6MraisedApr 2023 · 19 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Michael WheelerDirector
- Harry AtwaterExecutive Officer, Director
- Stephen James OldhamExecutive Officer
- Chengxiang XiangExecutive Officer, Director
- Ed PhillipsDirector
- Offering amount
- $13.6M
- Amount sold
- $13.6M
- First sale
- Dec 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlap
CarbonCapture14 shared keywordsCarbonCapture develops CO₂ direct air capture technology aimed at removing carbon from the atmosphere to address climate change. The company operates in the cleantech and carbon removal industry.
Aircapture12 shared keywordsAircapture builds direct air capture systems that provide commercial and industrial customers with beverage-grade CO2 captured on-site from the atmosphere, offering an alternative to traditional CO2 distribution. The company targets a circular carbon economy, serving customers such as beverage producers who need on-demand CO2 supply.
Companies competing with Captura for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
ElectraLith and Captura Enter Strategic Partnership to Commercialize Next-Generation Lithium Extraction Technology - The Des Moines Registerdesmoinesregister.com · Aug 2026
Captura has filed a notice of an exempt offering of securities to raise $60,928,518.00 in New Funding. - intelligence360intelligence360.news · Jul 2026
Carbon Capture Startups 2026: $3.6B Raised Since 2021 and Who's Funding Them | Value Add VCvalueaddvc.com · Jul 2026
Captura raises $12.5M in first close of Series B financing to expand electrodialysis platform across critical minerals, carbon removal, and industrial markets - Capturacapturacorp.com · Jun 2026Frequently asked questions
- What does Captura do?
- Captura develops Direct Ocean Capture technology using bipolar membrane electrodialysis to remove CO₂ from the upper ocean and atmosphere. From its Pasadena facility, the company also manufactures high-performance membranes and electrodialysis stacks for carbon removal and other sustainability-focused industrial, resource, and energy applications.
- Who founded Captura?
- Captura was founded by Chengxiang Xiang, Bernard David, Harry Atwater, CX Xiang in 2021.
- Who are Captura's investors?
- Captura's investors include Eni Next, FREEFLOW, Future Planet Capital, Hitachi Ventures, Maersk Growth, MOL Switch, TransLink Capital, Aramco Ventures and 2 more.
- How much funding has Captura raised?
- Captura has disclosed $124.8M raised across 4 of its 6 known rounds.
- Where is Captura headquartered?
- Captura is headquartered in Pasadena, US.