4
Total investments
2
Early stage
0
Mid stage
1
Late stage
4y
Years active
Portfolio
4 investments · sorted by recency
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Investor and Board Member
Dec 2025
Prime Intellect makes frontier AI training accessible to every company. We operate as both a full-stack platform and an open research lab, enabling organizations to train their own models by directly leveraging our state-of-the-art agentic training infrastructure.
Investor
Oct 2025
As the AI factory company, Crusoe is on a mission to accelerate the abundance of energy and intelligence. The company provides a reliable, scalable, cost-effective, and energy-first solution for AI infrastructure. By harnessing large-scale energy resources, building AI-optimized data centers, and delivering an AI cloud platform, Crusoe empowers its customers to build the future faster.
Investor and Board Member
Aug 2023
Firsthand has built the first AI-powered Brand Agent platform, transforming the way marketers and publishers engage consumers through their own AI agents, anywhere online.
Operating across both owned properties and paid media, Brand Agents make a company’s expertise accessible in real time, dynamically adapting to consumers’ interests and guiding them toward the information they need to take action. Core to the Firsthand Brand Agent Platform™ is Lakebed™, Firsthand’s AI-first data and knowledge rights management system that ensures companies retain full ownership and control of their expertise.
Firsthand is led by Jon Heller, Michael Rubenstein, and Wei Wei, whose previous ventures helped build the foundations of modern digital advertising. Backed by Radical Ventures, FirstMark Capital, Aperiam Ventures, and Crossbeam Venture Partners, Firsthand is now pioneering the next evolution of AI-driven consumer engagement.
Firsthand is headquartered in NYC, with team members working together in-office three days a week.
Experience · 6 entries
All (6)
Investments (4)
Founder (1)
Board (3)
2025
Investor and Board Member
Dec 2025
Prime Intellect makes frontier AI training accessible to every company. We operate as both a full-stack platform and an open research lab, enabling organizations to train their own models by directly leveraging our state-of-the-art agentic training infrastructure.
Investor
Oct 2025
As the AI factory company, Crusoe is on a mission to accelerate the abundance of energy and intelligence. The company provides a reliable, scalable, cost-effective, and energy-first solution for AI infrastructure. By harnessing large-scale energy resources, building AI-optimized data centers, and delivering an AI cloud platform, Crusoe empowers its customers to build the future faster.
2023
Investor and Board Member
Aug 2023
Firsthand has built the first AI-powered Brand Agent platform, transforming the way marketers and publishers engage consumers through their own AI agents, anywhere online.
Operating across both owned properties and paid media, Brand Agents make a company’s expertise accessible in real time, dynamically adapting to consumers’ interests and guiding them toward the information they need to take action. Core to the Firsthand Brand Agent Platform™ is Lakebed™, Firsthand’s AI-first data and knowledge rights management system that ensures companies retain full ownership and control of their expertise.
Firsthand is led by Jon Heller, Michael Rubenstein, and Wei Wei, whose previous ventures helped build the foundations of modern digital advertising. Backed by Radical Ventures, FirstMark Capital, Aperiam Ventures, and Crossbeam Venture Partners, Firsthand is now pioneering the next evolution of AI-driven consumer engagement.
Firsthand is headquartered in NYC, with team members working together in-office three days a week.
2022
Investor and Board Member
Jun 2022
CentML specializes in optimizing AI, offering innovative solutions that significantly enhance efficiency and performance. Our cutting-edge GPU optimization techniques enable more cost-effective and powerful AI deployments across various applications.
2021
Partner
Jun 2021
Radical Ventures is a venture capital firm investing in entrepreneurs applying deep technology to transform massive industries. With a primary focus on machine learning and artificial intelligence, Radical Ventures seeks to partner with exceptional entrepreneurs with global ambition to build enduring companies.
Radical Ventures Radical has offices in Toronto and San Francisco, and partners in London and New York — and is backed by leading global investors.
Show all 6 entries ↓
Investment activity
2022–2025 · 4 investments
Recent (last 2 years)Earlier
