Day One Ventures
Day One Ventures is a venture capital firm based in San Francisco, with an additional office in New York. It targets early-stage investments across multiple sectors, including artificial intelligence and machine learning, climate and energy, fintech, consumer products and services, future of work, enterprise technology, deep tech, e-commerce and web3. The firm backs customer-obsessed companies and actively supports its portfolio through communications and strategic involvement. Typical investment sizes range from $100,000 to $5 million, with activity from pre-seed to seed rounds and occasional Series A. Founded in 2018 by Masha Drokova, the firm seeks disruptive technologies that can drive growth and impact.
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Past deals in Nuclear Energy
Valar Atomics
Seed Round in 2025
Valar Atomics is a pioneering energy company that harnesses nuclear fission to produce synthetic gas and fuels from ambient air and water. It designs and operates modular, small-scale fission plants, aiming to provide abundant, low-cost energy that is independent of climate and political factors. By converting air and water into synthetic gas and fuels, the company enables various industries to leverage energy density and existing infrastructure, fostering energy independence and sustainability.
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