André Herren worked in a chemical laboratory before studying theology in Geneva and Göttingen. He has worked as a pastor with Mouvement d'Action Rurale (MAR) in Wanquetin in northeastern France for the Reformed Church of France as well as in and near Geneva, Switzerland. He has taught for the Protestant Church of Geneva at the Ecumenical Studio of Theology (Atelier Œcuménique de Théologie) for 30 years, while also serving as its co-director for 8 years.