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Aaron Zelinger

InvestorFounder

CEO at Closure

New York, New York, United States

FoundedClosure · YC

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About

Aaron Zelinger has spent six years at Palantir and two years at Arena, where he worked on data analysis and intelligence tools. He is now building law enforcement technology at Closure.

CEO at ClosureYC W25

Intro paths

YC

Aaron went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Closure's batch and knows the company first-hand. YC profile ↗

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In turn, Aaron can intro founders to Closure's investors below.

Closure's investors · 14

Adverb VenturesSan Francisco · $500K – $5M checksAlumni VenturesManchester · $100K – $10M checksBorski FundAmsterdam · since 2022BoxGroupNew York · $250K – $1M checksCommonweal VenturesNew York · $500K – $2.5M checksCRV (Charles River Ventures)Bay Area · $250K – $5M checksHAWKTAILSan FranciscoLiquid VenturesSan Francisco · $250K – $5M checksPathlight VenturesOld Bridge · $500K – $5M checksSandwith Ventures, LLCSurgePoint AngelNew YorkSV AngelSan Francisco · $150K – $20M checksTranspose Platform ManagementSan FranciscoY CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Closure

GLGilad Levy
Gilad LevyCTO
GV
Graciëlla van VlietFounder

Investments

Per curated public sources.

Frequently asked questions

Who is Aaron Zelinger?
Aaron Zelinger has spent six years at Palantir and two years at Arena, where he worked on data analysis and intelligence tools. He is now building law enforcement technology at Closure.
Where does Aaron Zelinger work?
Aaron Zelinger is CEO of Closure.
What companies did Aaron Zelinger found?
Aaron Zelinger founded Closure.
What companies has Aaron Zelinger invested in?
Investments tracked here include Credal.ai, Karoo.

Founder mafias

About this profile. Compiled from public sources — Closure's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights