Riot Ventures

Riot Ventures, established in 2017, is a venture capital firm headquartered in Boston, Massachusetts, with an additional office in Los Angeles, California. The firm specializes in early-stage investments, typically ranging from $0.5 million to $10 million, focusing on deep technology sectors such as hardware, software, enterprise, industrial, and security, with a particular interest in artificial intelligence, machine learning, and robotics. Riot Ventures invests at the pre-seed, seed, and early-stage levels, supporting companies across the United States.

Collier Bern

Partner and Head of Growth

Will Coffield

Co-Founder and General Partner

Stephen Marcus

Co-Founder and General Partner

Meghan Moreland

Investor

Past deals in Fossil fuels

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, affordable, and climate-resilient energy solutions. By untethering energy production from climate and political constraints, Valar Atomics enables various industries to leverage energy density and existing infrastructure, fostering a more sustainable and secure energy future.
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