Bernard Magenhann is a Chartered Accountant and a Registered Auditor. He started his career as an external auditor working successively for Mazars and PricewaterhouseCoopers. He joined the European Commission in Brussels in 2002 where he worked in the Internal Audit Service, notably as Assistant to the Director General and Head of Unit responsible for the Internal Audit of the Regulatory Agencies (2002–2011). He was in charge of Business Process Re-engineering in DG HR between 2011 and 2013. In 2013 he was appointed Resource Director in DG DIGIT. In 2016 he returned to DG HR where he was appointed Deputy Director-general, notably in charge of Organisational Development, Talent Management and Budget and Finance. Finally, he joined the Joint Research Centre on 16 May 2020 as Deputy Director-general. He is in charge of Energy, Transport and Climate, Nuclear Safety and Security as well as Support Services.