Master of Science, State University Groningen, Netherlands, 1977. Doctor of Philosophy, University London, 1984.
Student-assistent State University Groningen, Groningen, Netherlands, 1973—1977. Teacher mathematics Winkler Prins High School, Veendam, Netherlands, 1977—1978. Fellow Dutch Cancer Society, Groningen, Netherlands, 1978—1981.
Scientist Medical Research Council, London, 1981—1987. Visiting associate professor University of California at Los Angeles, 1985—1986. Senior scientist Medical Research Council, London, 1987—1996.
Associate professor VU University, Amsterdam, 1996—1998. Professor VU University Medical Centre, since 1998, head department, since 2004. Member and chairman Executive Committee for Board Registration Dutch Society of the Dutch Society of Clinical Physics, since 1999.
Board member Dutch Commission on Radiation Dosimetry, since 2000. Deputy chief-editor Journal of Cerebral Blood Flow and Metabolism. International associate editor Molecular Imaging and Biology.
Medical physics & radiation protection section editor Nuklearmedizin. Member editorial board European Journal of Nuclear Medicine and Molecular Imaging, Current Medical Imaging Reviews.
Member of Dutch Commission Radiation Dosimetry (board member since 2000), Dutch Society Biophysics, Dutch Society Clinical Physics (chairman since 1999, board member 2001-2008), Dutch Society Nuclear Medicine, European Society Neuropsychopharmacology, Society Nuclear Imaging Drug Development, Academy Molecular Imaging, European Association Nuclear Medicine, Society Nuclear Medicine, New York Academy of Sciences, International Society Cerebral Blood Flow and Metabolism (board director 2001-2005).
Married Margaretha Remi Feenstra. Children: Remy Adriaan, Annemieke Maria.