Master of Business Administration.
Sales representative Armstrong World International, 1986-1989, assistant manager technical services Germany, 1989-1992. Field services manager Armstrong World Industries, Benelux, 1992-1994, division sales and marketing manager Northwest European, 1994-1996. Managing director Stago BV, since 1996, Sandas Montag, since 1996.
Chairman GSVB, since 1999. Consultant Installers, since 1999.
Member Commercial Club Alhmaar.
Son of Francsicus Bernardus J. de Vries and Johny Winkelhuis. Married Marion Bernadette Beneken genamnd Kolmer. Children: Roderick Pieter, Anne-Aimeé.