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About
Kristel Kruustuk is the co-founder and board director of Testlio, a software quality company that combines a global community of testers with an AI tool called LeoAI to verify software functionality across markets and devices. She writes and speaks on software quality and the role of human judgment in AI-built and AI-tested software, addressing topics such as AI testing requirements and accountability when AI-built software fails in production. A keynote speaker based in Estonia, her engagements include Nordic Business Forum 2022 and scheduled appearances at StarEast 2026 and Nordic Testing Days 2026.
Founder at Testlio
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Testlio's investors · 8
Co-founders at Testlio

Frequently asked questions
- Who is Kristel Kruustuk?
- Kristel Kruustuk is the co-founder and board director of Testlio, a software quality company that combines a global community of testers with an AI tool called LeoAI to verify software functionality across markets and devices. She writes and speaks on software quality and the role of human judgment in AI-built and AI-tested software, addressing topics such as AI testing requirements and accountability when AI-built software fails in production. A keynote speaker based in Estonia, her engagements include Nordic Business Forum 2022 and scheduled appearances at StarEast 2026 and Nordic Testing Days 2026.
- Where does Kristel Kruustuk work?
- Kristel Kruustuk is Founder of Testlio.
- What companies did Kristel Kruustuk found?
- Kristel Kruustuk founded Testlio.
Founder mafias
Techstars mafia2,500
Also came through, then founded or led a company.
Estonian Information Technology College mafia5
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Testlio'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












