Professor in ISCTE-IUL since 1983 in the fields of the Sociology of Work and Organisations and Employment Relations. Throughout his career, he has also been engaged in research and published in these areas, generally with a focus upon questions related to trade unionism. He founded and is still Director of the Masters in Labor Studies and Labor Relations, where he teaches courses related to trade unionism and Industrial Relations. He has also assumed various positions with scientific and departmental responsibilities.