Bachelor of Science, Leiden University, The Netherlands, 1979. Master of Science, Utrecht University, The Netherlands, 1983. Doctor of Philosophy, James Cook University, Australia, 1987.
University lecturer International Institute for Aerospace Survey and Earth Sciences ( International Trade Commission), Enschede, The Netherlands, since 1987.
Member of Circuit for Earth Observatory and Geoinformatics, Royal Geological and Mining Society of the Netherlands, Association Geoscientists for International Development (councilor since 1996), American Association Petroleum Geologists.