Diplom, University Koln, 1982. Doctor of Philosophy, Simon Fraser University, Burnaby, British Columbia, Canada, 1990.
Visiting scientist International Business Machines Corporation Almaden Research Center, San Jose, 1989-1990, Photon Factory, National Laboratory for High Energy Physics, Tsukuba, Ibaraki, Japan, 1990-1992. Research fellow Murdoch University (Western Australia), 1992-1995, Curtin University (Western Australia), 1995-1996, Florida Agricultural and Mechanical University, Tallahassee, 1996, University Trento, Italy, 1997, University Bonn, Germany, 1997-1999. With Institute Space Simulation German Aerospace Center, Koeln, Germany, since 1999.
Visiting professor Simon Fraser University, Burnaby, British Columbia, Canada, 1996.
Member American Physical Society, European Physical Society, German Physical Society.