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Marc Klingen

InvestorFounder

CEO at Langfuse

Berlin, Berlin, Germany

FoundedLangfuse · YC

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About

Marc Klingen previously worked in product, sales, business intelligence, and full-stack engineering roles at Google, DHL, and early-stage startups. He holds a master's degree in Management and Computer Science from Technical University Munich.

CEO at LangfuseYC W23

Intro paths

YC

Marc went through Y Combinator (Winter 2023) — 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 Langfuse's batch and knows the company first-hand. YC profile ↗

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In turn, Marc can intro founders to Langfuse's investors below.

Langfuse's investors · 11

Angel InvestBerlin · $137.5K checksDragoneer Investment GroupSan Francisco · $100K – $5M checks · since 2026General CatalystSan Francisco · $30M checksGICSingapore · since 2026Index VenturesSan Francisco · $540K – $10.8M checks · since 2026Khosla VenturesMenlo Park · $100K – $20M checks · since 2026La FamigliaBerlin · since 2023Lightspeed Venture PartnersMenlo Park · $1M – $5M checks · since 2026Sequoia CapitalMenlo Park · $100K – $50M checksT. Rowe PriceBaltimore · since 2026Y CombinatorSan Francisco · $500K checks · since 2023

Co-founders at Langfuse

MDMaximilian Deichmann
Maximilian DeichmannFounder
CRClemens Rawert
Clemens RawertFounder
MD
Max DeichmannFounder

Investments

Per curated public sources.

Frequently asked questions

Who is Marc Klingen?
Marc Klingen previously worked in product, sales, business intelligence, and full-stack engineering roles at Google, DHL, and early-stage startups. He holds a master's degree in Management and Computer Science from Technical University Munich.
Where does Marc Klingen work?
Marc Klingen is CEO of Langfuse.
What companies did Marc Klingen found?
Marc Klingen founded Langfuse.
What companies has Marc Klingen invested in?
Investments tracked here include Langdock, Sitefire.

Founder mafias

About this profile. Compiled from public sources — Langfuse'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