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Daniel Grittner

InvestorFounder

CTO at Hey Telo

Munich, Bavaria, Germany

FoundedHey Telo · YC

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About

Daniel Grittner is co-founder and CTO at Hey Telo. He previously worked as a software engineer at Amazon and Celonis, where he focused on database infrastructure, and has published computer vision research. He holds a BS in Computer Science from Technical University of Munich and completed bioinformatics coursework at ETH Zurich.

CTO at Hey TeloYC W25

Intro paths

YC

Daniel went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran Hey Telo's batch and knows the company first-hand. YC profile ↗

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In turn, Daniel can intro founders to Hey Telo's investors below.

Hey Telo's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Hey Telo

CGChristopher Grittner
Christopher GrittnerCEO

Investments

Investor

Codyco

Per curated public sources.

Frequently asked questions

Who is Daniel Grittner?
Daniel Grittner is co-founder and CTO at Hey Telo. He previously worked as a software engineer at Amazon and Celonis, where he focused on database infrastructure, and has published computer vision research. He holds a BS in Computer Science from Technical University of Munich and completed bioinformatics coursework at ETH Zurich.
Where does Daniel Grittner work?
Daniel Grittner is CTO of Hey Telo.
What companies did Daniel Grittner found?
Daniel Grittner founded Hey Telo.
What companies has Daniel Grittner invested in?
Investments tracked here include Codyco.

Founder mafias

About this profile. Compiled from public sources — Hey Telo'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