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At One Ventures is a venture capital firm founded in 2020 by Tom Chi, Laurie Menoud, and Helen Lin. The firm is headquartered in San Francisco, California, and focuses on investing in companies that leverage deep technology to create sustainable solutions that positively impact the environment. Since its inception, At One Ventures has raised two funds, with a total AUM exceeding $525 million. Fund I, launched in 2021, was sized at $150 million, while Fund II closed in October 2023 at $375 million, oversubscribed from an initial target of $250-300 million.
The firm has established a diverse LP base, including notable investors such as GenZero (a Temasek decarbonization platform), the World Wildlife Foundation, and the MacArthur Foundation. At One Ventures has a strong commitment to supporting companies that not only provide cost-competitive alternatives but also contribute positively to the environment, aligning with their vision of humanity becoming a net positive to nature.
At One Ventures has invested in 43 companies across various sectors, including climate, energy, healthcare, and biotech. Their investment strategy emphasizes hands-on support, leveraging in-house expertise in manufacturing, operations, and intellectual property strategy to help portfolio companies scale effectively.
At One Ventures focuses on investing in climate technology companies that aim to disrupt traditional industries through innovative deep tech solutions. Their investment thesis, known as 'The Triad', requires that companies simultaneously deploy disruptive deep tech, fundamentally upend incumbent unit economics, and drive strong climate- and nature-positive outcomes. The firm emphasizes investments in sectors such as climate, energy, healthcare, and biotech, with a particular interest in improving unit economics while reducing environmental impact.
The firm primarily invests at the Seed and Series A stages, with check sizes typically leading investment rounds. At One Ventures has a geographic focus on North America, Europe, Africa, and Latin America, with a portfolio that reflects a commitment to addressing pressing environmental challenges. They seek to support companies that can provide solutions that are not only cost-competitive but also environmentally beneficial, aligning with their mission to reshape industries causing significant environmental damage.
At One Ventures has built a diverse portfolio of 43 companies, focusing on innovative solutions in climate technology and sustainability. Notable portfolio companies include:
Tom Chi: Founder and Managing Partner. Tom is a physicist and inventor, previously a founding member at Google X, where he worked on projects like Google Glass and self-driving cars. He is a prominent voice in climate tech and systems thinking.
Laurie Menoud: Founding Partner. Laurie has a background at BASF, Solvay, and SRI International, bringing deep industry expertise in materials and chemicals to the firm.
Helen Lin: Partner. Helen has experience at Baird, Houlihan Lokey, and FINCA Impact Finance, specializing in financial structuring and impact investing.
Luke Zhan: Team Member. Luke contributes to the firm's investment strategy and portfolio management.
Lisa Noeltner: Team Member. Lisa supports operational initiatives within the portfolio companies.
Ana Yoerg: Team Member. Ana focuses on marketing strategies for portfolio companies.
Brian Steinberg: Team Member. Brian assists in talent acquisition and operational support for startups.
To pitch At One Ventures, founders should seek a warm introduction through their network. The pitch deck should include detailed information about the technology, market opportunity, and environmental impact. While specific application forms are not mentioned, a well-structured presentation is crucial. Response times may vary, but the firm is known for leading 90% of first placements, indicating a proactive approach to engaging with potential investments.
In October 2023, At One Ventures closed Fund II at $375 million, oversubscribed from an initial target of $250-300 million. This fund will continue to support early-stage climate technology companies.
As of 2025, At One Ventures has invested in 35 startups, with 11 of these companies already generating product sales. The firm has led 90% of its first placements, demonstrating its active role in supporting portfolio companies.
Recent notable investments include a $8.41 million Seed round for Addis Energy in December 2025 and a $12.6 million Series A for Provectus Algae in July 2025. The firm continues to expand its portfolio with a focus on companies that drive climate-positive outcomes.
What are At One Ventures' investment criteria?
At One Ventures invests in early-stage companies that leverage disruptive deep technology to create sustainable solutions. They focus on companies that can improve unit economics while driving climate-positive outcomes.
How can I apply or pitch to At One Ventures?
Founders can pitch At One Ventures by reaching out through their website. It is advisable to include a detailed deck that outlines the business model, market opportunity, and how the company aligns with their investment thesis.
What makes At One Ventures different from other investors?
At One Ventures distinguishes itself through its hands-on support model, providing in-house expertise in manufacturing, operations, and intellectual property strategy. They lead 90% of their first placements, ensuring strong check leadership.
What is the geographic scope of At One Ventures?
The firm primarily invests in North America, Europe, Africa, and Latin America, focusing on companies that address significant environmental challenges in these regions.
What is the fund size and check size range?
At One Ventures' Fund II is sized at $375 million, and they typically lead investment rounds, although specific check sizes are not disclosed.
What is At One Ventures' post-investment involvement like?
At One Ventures actively engages with portfolio companies, providing operational support and leveraging their expertise to help drive growth and innovation in the climate tech sector.
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