 Rohner graduated with a Ph.D. in Economics from the University of Zurich and was a research and teaching assistant at the Institute for Empirical Research in Economics at the University of Zurich from 1990 to 1992.Between 1993 and 1998, Rohner was with Swiss Bank Corporation’s Investment Banking branch, where in 1995 he was appointed Head of Market Risk Control Europe.In 1998, he worked as Head of Market Risk Control of Warburg Dillon Read.