sentences:  Pieter Winsemius
  
  Pieter Winsemius (born 7 March 1942) is a retired Dutch politician of the People's Party for Freedom and Democracy (VVD) and businessman.Winsemius worked as a researcher at the Leiden University from February 1966 until October 1970 and as a management consultant at the McKinsey & Company from October 1970 until November 1982.