Communities where founders actually ship.
Three founder houses. Hundreds of millions raised by residents. Now building Rivendell, and looking for partners.
Operator at the intersection of capital and community.
Harvard, Econ and CS. Research at NBER, Opportunity Insights, and the Census Bureau. Founding team at a $55M-profit startup, Cerebral Valley, and Archimedes, Harvard's founder final club. The thesis behind everything since: find exceptional builders early, put them in one room, remove every excuse not to ship.
Rivendell. A residency for founders who compound.
A selective founder collective in San Francisco. Residents live and build together; Rivendell takes a small equity position in each resident company. The model behind three houses, made permanent.
Three houses. Hundreds of millions raised.
Lightyear
One month to launch. Secured the startups, the venue, and the programming.
C House
$200M+ raised by community members. More VC dollars than Austria raised in 2025.
Residents
- AnhPhu · $6M for Mira, led by General Catalyst
- Finn · $12M for LiquidFi, led by Paradigm
- Leon · $6M, led by Sequoia
Short-term guests
- Rahul Chhabra · Sabi.ai, raised at $250M+
- Paul Chou · LedgerX, acquired for $298M
- Michael Vassar · Co-founder of MIRI
Figures as reported by the individuals and press.
Arc House
Ten people, ten months. Where residents went next:
A summer of residencies.
Inflection Fellowship
A month-long residency for exceptional builders under 25, run by Edge City and Long Journey.
edgecity.liveWaterloo AI Sprint
Ten builders, two weeks, one room. Funded by Fulbright Canada.
aisprint.caO-1 Connection
A one-month San Francisco residency for O-1 visa holders and applicants.
o-1.coNotes on building communities.
15-minute intro
Quick conversation about Rivendell, investing, or collaboration ideas.
Schedule now