Emeritus and Visiting Professor at the University of Louvain, where he held the Hoover Chair in Economic and Social Ethics from 1991 to 2016. Associate Member of Nuffield College, Oxford. Visiting Professor at Harvard (2004-2010); Oxford (2011-2015) and Robert Schuman Fellow at the European University Institute (Florence) (2016). Member of the Royal Academy of Sciences of Belgium and the British Academy, he is one of the founders of the Basic Income Earth Network, chairing its International Board.