Bachelor of Science in Physics, Leiden University, Netharlands. Master of Science in Physics, Leiden University, Netharlands, 1980. Doctor of Philosophy in Experimental Physics, Leiden University, Netharlands, 1984.
Petrophysicist SHELL Research, The Hague, Netherlands, 1984—1990, SHELL Thailand, Bangkok, 1990—1993. With SHELL Malaysia, Miri, 1994—1999. Improvement consultant SHELL INT, The Hague, 1999—2007, field manager, since 2007.
Member of Society Petroleum Engineering.
Married Marjan JP Botman. Children: Jens, Ilse, Ralf.