Jo De Cock served as CEO of the National Institute for Health and Disability Insurance for 25 years, from 1995 to 2021.
He has obtained a master of law and a master of criminology from the Catholic University of Louvain, where he started his professional experience as a research assistant on the Institute of Social Security on the Faculty of Law (1977-1983).
He continued his career by joining the Center for political, economical and social studies where he was researcher and political advisor. From the mid eighties until the beginning of the nineties he worked as a deputy director and counselor of social affairs in the office of the Belgian Prime Minister (1985-1993). Later on he filled the position of adjunct general administrator of the National Social Security Office (1993-1995).