In this episode, we speak with Johannes Otterbach, a tech enthusiast with ten years of international experience, including six years in Silicon Valley. Johannes helps people implement artificial intelligence and brings his extensive experience from the Valley to Europe to advance the tech industry here. We delve into his time at OpenAI, where he worked on core implementations of algorithms like the Transformer, and discuss the differences between work cultures in Silicon Valley and Europe. Johannes shares his thoughts on the importance of open source in AI development and the associated risks, as well as the challenges and opportunities for European startups compared to those in the Valley. Finally, he provides insights into his current work as a freelance consultant and his vision for the future of AI architecture.