Rémi Louf works out of a French castle that has a moat. "I appreciate having the space to think," he said. Rémi Louf Rémi Louf is the CEO of the AI startup .txt. He works out of a castle in Bourron-Marlotte, France. The castle has iron gates, a moat, and free electricity to run his GPUs. "I appreciate having the space to think," Louf said. "I'm literally touching grass every day." This as-told-to essay is based on a conversation with Rémi Louf, the 39-year-old cofounder of the AI startup .txt.