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Avery Pennarun

InvestorFounder

Founder at Tailscale

Montreal, Quebec, Canada

FoundedTailscale

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About

Avery Pennarun is the co-founder and CEO of Tailscale, a company building networking tools focused on identity-based connection between people and devices. Previously, Pennarun co-founded Net Integration Technologies, which was acquired by IBM, and worked on Google Wallet and Google Fiber. Their technical work includes programming in Go, Rust, Python, and POSIX shell.

Founder at Tailscale

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In turn, Avery can intro founders to Tailscale's investors below.

Tailscale's investors · 16

AccelPalo Alto · $500K – $100M checks · since 2025Accel-KKRMenlo Park · since 2020Avenir Growth CapitalNew YorkCRV (Charles River Ventures)Bay Area · $250K – $5M checks · since 2025Cyber Mentor FundNew YorkFlex Capital PartnersSan Francisco · $500K – $2M checksGaingelsNew York · $200K – $500K checksHeavybitSan Francisco · $500K – $5M checks · since 2025Insight PartnersNew York · $120M – $350M checks · since 2025Panache VenturesMontreal · $1.5M checksPreston-Werner VenturesSan Francisco Bay Area · $500K – $3M checksSparkwave CapitalSummit PartnersBoston · $10M – $500M checksTenOneTen VenturesLos Angeles · $500K – $5M checksUncork CapitalSan Francisco · $3M – $5M checks · since 2025Zag Capital

Co-founders at Tailscale

BFBrad Fitzpatrick
Brad FitzpatrickFounder
DCDavid Crawshaw
David CrawshawFounder
DC
David CarneyFounder

Investments

Investor

Supabase

Per curated public sources.

Frequently asked questions

Who is Avery Pennarun?
Avery Pennarun is the co-founder and CEO of Tailscale, a company building networking tools focused on identity-based connection between people and devices. Previously, Pennarun co-founded Net Integration Technologies, which was acquired by IBM, and worked on Google Wallet and Google Fiber. Their technical work includes programming in Go, Rust, Python, and POSIX shell.
Where does Avery Pennarun work?
Avery Pennarun is Founder of Tailscale.
What companies did Avery Pennarun found?
Avery Pennarun founded Tailscale.
What companies has Avery Pennarun invested in?
Investments tracked here include Supabase.

Founder mafias

About this profile. Compiled from public sources — Tailscale'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