Bennie de Witte Security Name B.M. de Witte Telephone +31 6 4759 6916 E-mail b.m.de.witte@science.leidenuniv.nl Security Science Bedrijfsvoering Arbo- en milieudienst Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BM0.03 Contact +31 6 4759 6916 b.m.de.witte@science.leidenuniv.nl No relevant ancillary activities