Alexandre is the co-founder and CTO of Foaster. Before Foaster, he built Répondia, where AI agents handled 60k+ customer calls for major restaurant groups in France. More recently, he and his co-founder Raphaël co-built two of 2025's most viral LLM benchmarks, reaching 12M+ views and being shared by leading figures in tech. They spent the last year running their own AI consultancy.