• 1970 - Born in Beverwijk (the Netherlands) 

• 1989-1995 – Utrecht University, Master Environmental Sciences

• 1989-1995 – Utrecht University, Master Chemistry

• 1990-1991 – Leinden University, Public administration sciences

• 1995-1996 – Copernicus Institute  - Utrecht University 

• 1996 -2000 – Bureau of international cooperation, National Institute of Public Health and the Environment

• 2000 -now – PBL Netherlands Environmental Assessment Agency

• 2007 – PhD “Energy systems and climate policy - Long-term scenarios for an uncertain future”. https://dspace.library.uu.nl/bitstream/handle/1874/21449/index.htm;jsessionid=DF81C7BDA5518CF4743293D613553C08?sequence=15

• 2011-now – Professor of Integrated Assessment of Global Environmental Change, Utrecht University

• 2015-now Project leader IMAGE integrated assessment team PBL Netherlands Environmental Assessment Agency

• 2018-now Member of the Royal Academy of Sciences and the Arts in the Netherlands