Gerassimos Thomas is DirectorGeneral in the DirectorateGeneral for Taxation and Customs Union at the European Commission. Prior to his current assignment, G. Thomas had professional assignments as: Deputy Minister for Enviro nment and Energy in Greece Directorate-- (20192020); Deputy Director General for Energy andGeneral in the Chairman of the Steering Board of the European Fund for Strategic Investments (EFSI) (2014 2019); member of Director Finance at DG ECFIN the EIB and EIF Board of Directors (2009 (20092014) ; ; Head of cabinet of Joaquin Almunia, Commissioner for Economic and Monetary Affairs2017) (20052009) Spokesman for Co ; Deputy mmission President Romano Prodi; Spokesman for economic and monetary affairs for Commi ssi oner Pedro Solbes (20002004) . Prior to 200 held various positions in the European Commission, the European Investment Fund and in investment bank 0 ing in London.