Mark Ruis Domestic services staff member Name M.A. Ruis Telephone 071 5272727 E-mail m.a.ruis@ufb.leidenuniv.nl Domestic services staff member Universitair Facilitair Bedrijf Location Facilities General Services Work address Kamerlingh Onnes Building Steenschuur 25 2311 ES Leiden Contact 071 5272727 m.a.ruis@ufb.leidenuniv.nl No relevant ancillary activities Share on Facebook Share by Bluesky Share on LinkedIn Share by WhatsApp Share by Mastodon