In 2008 he joined Goethe University in Frankfurt as a tenured Professor of Finance.
Since October 2011, he is the Dean of the Faculty of Economics and Business Administration at Goethe University.
His research fields are personal finance and empirical banking.
He directs the Retail Banking Competence Center at Goethe University and he is one of the directors of the Frankfurt and Darmstadt-based E-Finance Lab.
Since 2009, he is a member of the advisory council of the German Financial Services Authority BaFin and since late 2011 he is also a member of the Exchance Experts Commission which advises the German Federal Ministry of Finance.