Tamer is the dean of faculty, professor of management science and the first holder of the Michael Diekmann Chair in Management Science. He joined ESMT Berlin in 2015 and served as the director of research between January 2017 and August 2019. The Center for Sustainable Business and Leadership was also directed by Tamer after its founding in 2019. Previously, Tamer was a professor of operations management and a Desautels Faculty Scholar at McGill University in Quebec, Canada. Tamer received his PhD, MPhil, and MSc from Columbia University, New York, USA.