Master of Science, Technology University, Delft, Netherlands, 1989.
Senior scientist National Aerospace Laboratory, Amsterdam, since 1990.
Organist protestant Church Netherlands, Amsterdam, since 1984. Member of American Institute of Aeronautics and Astronautics, Royal Society Engineers Netherlands.
Son of Johannes van Muijden and Neeltje van Tol. Married Sylvia Ingeborg van den Wijngaard, September 12, 1991. Children: Kirsten Eline, David.