Since 1 November 2015, Hans Mommaas (1955) has been the Director-General of PBL Netherlands Environmental Assessment Agency in The Hague. He also holds the position of Professor of Regional Sustainability Governance at the Tilburg Institute for Law and Regional Governance (TiREG) of Tilburg University. 

Hans Mommaas studied Western Sociology at the former Wageningen Agricultural College. In 1993, Hans Mommaas obtained his PhD degree from Tilburg University with his thesis ‘Modernity, Leisure and the City’ (Moderniteit, Vrijetijd en de Stad). Between 2002 and 2015, he was Professor of Leisure Studies at Tilburg University, and in 2014 to 2015 at NHTV in Breda.