Founder Profile
Avery Pennarun
Last reviewed: October 2026 · By Swet Parvadiya
Who is Avery Pennarun?
Avery Pennarun is a founder of Tailscale, which was founded in 2019 with David Crawshaw, David Carney and Brad Fitzpatrick.
- Company founded
- Tailscale
- Founded
- 2019
- Co-founders
- David Crawshaw, David Carney and Brad Fitzpatrick
Background
Former Google engineering manager who worked on Google Fiber networking; long-time open-source developer and essayist on systems and product engineering.
Founding Story
Avery Pennarun is co-founder and CEO of Tailscale. Before Tailscale he worked at Google, including on Google Fiber, and earlier built open-source tools and wrote widely read essays on engineering and product management. He co-founded Tailscale in 2019 and has led it through four funding rounds, most recently the $160 million Series C in April 2025. Avery Pennarun was born in 1975.
Sources
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