Founder Directory
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Founders10
Known for these resultsRole40%Role is parsed from founder titles in yc.db. Known for 40% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School10%School is matched from bios, case-sensitive for acronyms. 10% of these rows have at least one match.
- Jonas Morgner@FintoAIFounder/CEO · FintoS25B2B · Munich
- Linus BoehmFounder/CTO · FintoS25B2B · Munich
- Lorenz NeunerFounder/CPO · FintoS25B2B · Munich
- Edouard GodfreyFounder · FintoolW23B2B · San Francisco
- Nicolas Bustamante@nicbstmeFounder · FintoolW23B2B · San Francisco
- Clemens Rawert@rawertFounder · LangfuseW23B2B · Berlin
- Marc Klingen@marcklingenFounder/CEO · LangfuseW23B2B · Berlin
- Maximilian DeichmannFounder · LangfuseW23B2B · Berlin
- Cristóbal Griffero@cgrifferoFounder · FintocW21Fintech · Santiago
- Lukas ZorichFounder · FintocW21Fintech · Santiago
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jonas MorgnerFintoFounder/CEOSummer 2025B2BMunich, Germany10https://x.com/FintoAILinus BoehmFintoFounder/CTOSummer 2025B2BMunich, Germany10—Lorenz NeunerFintoFounder/CPOSummer 2025B2BMunich, Germany10—Edouard GodfreyFintoolFounderWinter 2023B2BSan Francisco, United States6—Nicolas BustamanteFintoolFounderWinter 2023B2BSan Francisco, United States6https://x.com/nicbstmeClemens RawertLangfuseFounderWinter 2023B2BBerlin, Germany19https://x.com/rawertMarc KlingenLangfuseFounder/CEOWinter 2023B2BBerlin, Germany19https://x.com/marcklingenMaximilian DeichmannLangfuseFounderWinter 2023B2BBerlin, Germany19—Cristóbal GrifferoFintocFounderWinter 2021FintechSantiago, Chile60https://x.com/cgrifferoLukas ZorichFintocFounderWinter 2021FintechSantiago, Chile60—
Showing 1–10 of 10 founders
Marc Klingen
Founder/CEO·Langfuse
PRIMARY INFO
RoleFounder/CEO
Team size19
BatchWinter 2023
LocationBerlin, Germany
Company statusAcquired
StageEarly
BIO
Marc has diverse experience across Product, Sales, Business Intelligence and full-stack engineering at companies from large (Google, DHL) to early stage startups. He graduated within the top 1% of his Masters in Management and Computer Science from Technical University Munich. Besides that, he loves to hack on personal project and connect with other builders (something he does not get to too much right now).
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
LangfuseOpen source LLM engineering platform
