As an economist, Ruth Paserman joined the European Commission in 1993. She has since worked in a number of services: Eurostat, DG Employment and Social Affairs, DG Competition, DG Enterprise and Industry. She was also a member of the cabinet of Vice-President Tajani, Vice-President Dombrovskis and Deputy Head of Cabinet of Commissioner Thyssen.

Since November 2020 she is Director for Funds Programming and Implementation in DG Employment, Social Affairs and inclusion, responsible for the legislation, policy development and coordination of the implementation of the funds managed by the DG (ESF+, EGF, Invest EU social window), as well as for the social economy and better regulation.