Clemens Rawert

Clemens Rawert is the Co-founder and CEO of Langfuse, an open-source artificial intelligence infrastructure software startup based in Berlin, Germany. Founded in 2023, the company provides large language model observability tools currently serving thousands of software engineers with over 10,000 GitHub stars. Under his leadership, Langfuse secured a $6 million seed round in 2024 and a Series A in March 2025, earning him official recognition on the Forbes 30 Under 30 Europe list. Previously, he worked alongside the executive team at Scalable Capital, helping scale the fintech unicorn from 100 to 400 employees while facilitating a major fundraising round and a successful corporate acquisition. After dropping out of an Economic History PhD program at the University of Oxford, his current professional focus centers entirely on scaling high-growth operations and building open-source AI developer tools.