Complex sentence: He has taught English at the Sorbonne (University of Paris), at ISEP and the Institut catholique and is a senior examiner for the International Baccalauréate.
Split into simpler sentences: He has taught English at the Sorbonne (University of Paris), the Institut Catholique de Paris (The Catholic University of Paris) and the Institut Supérieur d’Electronique de Paris. He is a senior examiner for the International Baccalauréate.