Fundraising FoxStephan Koenigstorfer
InvestorFounderCTO at Lightberry
San Francisco, California, United States
FoundedLightberry · YC
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About
Stephan Koenigstorfer is the founder of Lightberry, which develops AI software enabling robots to understand and respond to voice commands, allowing users to control robots through conversation rather than traditional coding.
CTO at LightberryYC F25
Intro paths
Stephan went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Garry Tan, President & CEO of Y Combinator — the partner who ran Lightberry's batch and knows the company first-hand. YC profile ↗
In turn, Stephan can intro founders to Lightberry's investors below.
Lightberry's investors · 21
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Co-founders at Lightberry
Investments
Investor
Per curated public sources.
Frequently asked questions
- Who is Stephan Koenigstorfer?
- Stephan Koenigstorfer is the founder of Lightberry, which develops AI software enabling robots to understand and respond to voice commands, allowing users to control robots through conversation rather than traditional coding.
- Where does Stephan Koenigstorfer work?
- Stephan Koenigstorfer is CTO of Lightberry.
- What companies did Stephan Koenigstorfer found?
- Stephan Koenigstorfer founded Lightberry.
- What companies has Stephan Koenigstorfer invested in?
- Investments tracked here include Zephyr Fusion.
Founder mafias
Y Combinator mafia10,638
Also came through, then founded or led a company.
Imperial College London mafia463
Also came through, then founded or led a company.
Bain & Company mafia375
Also came through, then founded or led a company.
Collège des Ingénieurs mafia13
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Lightberry'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