Most recently, Dennis worked for UBS (2013-2018) and Citi (1999-2013) while, earlier in his career, he worked for Deutsche Bank Securities, HSBC Securities and Bear Stearns. In those positions, he was consistently ranked for strategy and economics research in external surveys such as Institutional Investor, Extel and Greenwich Associates.
Prior to working in the markets, Dennis was an economist at the Bank for International Settlements in Basel, Switzerland and began his career as a lecturer in economics at the University of Loughborough, England. He earned a B.A. in Economics from the University of Durham, England and an M.A. in Economics from the University of Warwick, England.