Adam Cai

CEO & Co-founder | Angel Investor | Berkeley Skydeck| Ex-Carta. EY

📍 United States🔄 Updated September 2026💼 3 investments📅 4 years investing🗓 Last invested Aug 2024
VC🌍 United States
3
Total investments
0
Early stage
1
Mid stage
1
Late stage
4y
Years active

Portfolio

3 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor & Advisor
Aug 2024
Opticore is building photonic AI inference chips that deliver faster throughput at 100x less energy than conventional silicon. Conventional chips are hitting a wall. As AI inference demand grows, power consumption is becoming the single biggest constraint on deployment at scale. Were rethinking the underlying physics of computation to solve that problem. AI has a power problem. Were solving it at the hardware level. Learn more: https://linktr.ee/opticore_ai
Angel Squad Member
Feb 2023
Hustle Fund is a venture capital firm investing in hilariously-early pre-seed founders. Learn more about Hustle Fund and pitch us here: hustlefund.vc If you are here to learn about ANGEL SQUAD, youve come to the right place. We help teach professionals how to invest in startups alongside Hustle Fund. Learn how we do this here: https://hustlefund.vc/squad
Investor
Jun 2022
Sweater is the first VC fund for everyday investors. Until now, venture capital investing has been an asset class exclusively available to a select few. Sweater is transforming that. Our mobile-first experience allows everyone direct access to the worlds most exclusive asset class—Venture Capital. Sweater’s mission is to empower everyone to become investors in the next generation of venture-backed startups. https://www.sweaterventures.com/socialmedia
Experience · 12 entries
All (12)
Investments (3)
Founder (4)
2025
Stealth
CEO & Co-founder
May 2025
CEO & Co-founder
May 2025
Numix helps startups unlock tax credits and run reliable accounting in one place. We combine AI-powered workflows with expert accountants to deliver bookkeeping, tax, payroll, and CFO support—so founders can move faster, stay audit-ready, and stop leaving money on the table.
early stageAccounting
2024
Investor & Advisor
Aug 2024
Opticore is building photonic AI inference chips that deliver faster throughput at 100x less energy than conventional silicon. Conventional chips are hitting a wall. As AI inference demand grows, power consumption is becoming the single biggest constraint on deployment at scale. Were rethinking the underlying physics of computation to solve that problem. AI has a power problem. Were solving it at the hardware level. Learn more: https://linktr.ee/opticore_ai
2023
Angel Squad Member
Feb 2023
Hustle Fund is a venture capital firm investing in hilariously-early pre-seed founders. Learn more about Hustle Fund and pitch us here: hustlefund.vc If you are here to learn about ANGEL SQUAD, youve come to the right place. We help teach professionals how to invest in startups alongside Hustle Fund. Learn how we do this here: https://hustlefund.vc/squad
CEO & Co-founder
Jan 2023
AI Powered Individuals Income Tax Solution
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Investment activity
2022–2024 · 3 investments
202212023120241
Recent (last 2 years)Earlier