Guy obtained his PhD in Computer Science at Paris-Saclay Ecole Normale Supérieure, and settled in Marseille (the home of Prolog). He has been a field consultant in AI and decision analytics for more than 2 decades. His track record is made of industrial studies for major companies. Guy wrote his first Erlang program 5 years ago, for a research project in Cloud Computing. Since then, he has been hoocked on it.