Member Directory
Founder Profiles
School Network
Startup Map
Year
2026
The member layer behind 21ST: founders from Stanford, Harvard, Yale, Cambridge, and 40+ schools building across AI, fintech, consumer, and more.
The member layer behind 21ST: founders from Stanford, Harvard, Yale, Cambridge, and 40+ schools building across AI, fintech, consumer, and more.
The format is intentionally small enough to make real conversation possible and structured enough that people leave with useful follow-ups, not just business cards.
The format is intentionally small enough to make real conversation possible and structured enough that people leave with useful follow-ups, not just business cards.
If you are building something early, weird, ambitious, or unfinished, this is the room we are making for you.
If you are building something early, weird, ambitious, or unfinished, this is the room we are making for you.