Marc Klingen net worth
Quick answer
Marc Klingen's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Marc Klingen is CEO at Langfuse. Langfuse valuation.
Marc Klingen is CEO at Langfuse (YC W23). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Region: Germany
- Industries: B2B, Engineering, Product and Design
- Team size: 19
- Website: https://langfuse.com
Who is Marc Klingen?
Marc Klingen is a co-founder of Langfuse, which participated in Y Combinator's Winter 2023 batch.
Highlights:
- Y Combinator (W23)
- Langfuse
About Langfuse
Traces, evals, prompt management and metrics to debug and improve your LLM application. Onboard via https://langfuse.com
Langfuse helps you build and improve LLM applications across the entire lifecycle:
- Develop: Observability, Langfuse UI & Prompt Management
- Monitor: Traces, Analytics, Metrics & Evaluations
- Test: Experiments, Releases & Datasets
We are hiring: https://langfuse.com/careers
Langfuse was...
FAQ: Marc Klingen net worth and Langfuse valuation
What is Marc Klingen's net worth?
Marc Klingen's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Marc Klingen is CEO at Langfuse. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is Langfuse valuation?
Langfuse's estimated valuation on Entrepreneurial Check is $100.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Marc Klingen's role?
Marc Klingen is CEO at Langfuse, a Y Combinator-backed startup (batch W23).