Luis Henrich-Bandis

I’m Luis. 22, Master’s at RWTH Aachen, building StudyPDF alone from Cologne. 85,000 users, $1.5k MRR, 200+ universities, one engineer.

I write here when something’s actually worth writing about. Solo founding, applied AI, what Claude Code can and can’t do. Usually something I learned the hard way.

Currently

• Building an evaluation system for StudyPDF's multi-agent pipeline
• Reading on LLM evals (Hamel Husain, Eugene Yan)
• Open to AI Deployment / Forward Deployed Engineer conversations

Writing

• May 12, 2026How I run an 85,000-user AI study platform solo