Complex sentence: From 1987 to 2006 he was the head of the architectural group of Fiatengineering and subsequently of Maire Tecnimont and taught at the Faculty of Architecture at the Polytechnic of Turin, and also held lectures on specific topics at Italian and foreign universities.
Split into simpler sentences: From 1987 to 2006 he was the head of the architectural group of Fiatengineering and subsequently of Maire Tecnimont. He teaches at the Faculty of Architecture at the Polytechnic of Turin and lectures on specific topics at Italian and foreign universities.