Find your path to Avery
106 people in our graph share verified history with Avery — schools, employers, funds. One of them is your warm intro.
Joseph RusciounlockedAvery: together at Tailscale (2019–2026)
×3Avery: together at Tailscale
×7Avery: together at University of Waterloo
Avery: together at Bycast Inc. (now NetApp)
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.
CEO at Tailscale
Intro paths
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In turn, Avery can intro founders to Tailscale's investors below.
Tailscale's investors · 13
AccelPalo Alto · $1.6M – $70M checks · since 2025Avenir Growth CapitalNew YorkCRV (Charles River Ventures)Bay Area · $250K – $5M checks · since 2025Cyber Mentor FundNew YorkFlex Capital PartnersSan Francisco · $500K – $2M 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 checksSummit PartnersBoston · $10M – $500M checksTenOneTen VenturesLos Angeles · $500K – $5M checksUncork CapitalSan Francisco · $3M – $5M checks · since 2025Zag Capital
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Co-founders at Tailscale
BF
Brad FitzpatrickFounder
DC
David CrawshawFounder
Experience
- TailscaleCo-founder and CEOcurrent2019 — presentToronto, New York, Montreal
- Google FiberSenior Staff Software Engineer2011 — 2018New York, NY
- EQL Data Inc.Co-founder2009 — 2011
- Pacific and Western Bank of CanadaEVP Software Development2006 — 2010
- The Navarra GroupAdvisor2008 — 2009
- Net Integration Technologies, Inc.Co-founder and Chief Scientist1998 — 2006
- DebianDeveloper1996 — 2003
- Arius SoftwareSoftware Contractor2000
- Contemporary ControlsSoftware Contractor2000
- Bycast Inc. (now NetApp)Software Contractor2000
- Mitel SemiconductorSoftware Developer (Student)1999
- General DatacommSoftware Developer (Student)1997 — 1998
Skills & more
Python12Perl20Linux30C++13C10C#5SQL4Embedded Systems4Windows3iPhoneUser Interface2Blackberry2
From Avery's professional profile.
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 CEO of Tailscale.
- What companies did Avery Pennarun found?
- Avery Pennarun founded Tailscale.
- Where did Avery Pennarun go to school?
- Avery Pennarun studied at University of Waterloo (B.A.Sc., Computer Engineering).
Founder mafias
University of Waterloo mafia346
Also came through, then founded or led a company.
Chamath PalihapitiyaB.A.Sc.Founded 8090Apoorva MehtaBAScFounded InstacartJon LernerBachelor of Applied ScienceFounded Textnow +2Michael LittBASc. Honours Systems Design EngineeringFounded Garage Capital +1Mike McCauleyBAScFounded Garage Capital +1Zach WaterfieldComputer EngineeringFounded Zettlor +1
+ 339 more
Same school
Also attended University of Waterloo645
Chamath PalihapitiyaFounder & CEO of Social CapitalApoorva MehtaFounder of Instacart; founder of Cloud Health SystemsAchintya ChaudhariInvestor at LightbankKarim GillaniGeneral Partner at Luge CapitalRohan MongaInvestment Associate at Luge CapitalAndrew MiklasGeneral Partner at Y Combinator
+ 639 more
Shared employers
Also worked at Tailscale10
Joseph RuscioI build scalable, fault-tolerant, distributed systems.Jesse RobbinsFounder and Investor in AI Developer ToolsAileen AllenPartner at Mercury FundAndrew McLoughlinBrit in San Francisco; seed-stage venture capital investorReid ChristianGeneral Partner at CRV (Charles River Ventures)Amit KumarInvestor at Accel
+ 4 more
Also worked at Google Fiber2,000
Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundHunter WalkCo-founder & Partner at HomebrewAydin SenkutFounder & Managing Partner at FelicisLaela SturdyManaging Partner at CapitalGArash FerdowsiCo-founder of Dropbox
+ 1,994 more
