Home Service Technical Services Technical Services Technical Services is responsible for all of the technical facilities and the building's infrastructure. Guido Behrendt +49 (331) 567-7887 guido.behrendt@... Z-0.101 Olaf Gaida +49 (331) 567-7885 olaf.gaida@... Z-0.125 Hagen Hannemann 7884 7903 +49 (331) 567-7903 hagen.hannemann@... Z-0.125 Andreas Hunold Clerk +49 (331) 567-7980 +49 (331) 567-7889 andreas.hunold@... Z-1.122 Heiko Jung Head of Group 7880 7888 +49 (331) 567-7889 heiko.jung@... Z-1.122 Betriebstechnik Jürgen Mathuschek Technician +49 (331) 567-7870 juergen.mathuschek@... Dirk Nast 7881 7901 +49 (331) 567-7989 dirk.nast@... Z-0.123 Ivo Praast +49 (331) 567-7886 +49 (331) 567-9102 ivo.praast@... Z-0.100 Marco Stetzmann 7883 7801 marco.stetzmann@... Z-0.102 Thomas Vogt 7882 7902 thomas.vogt@... Z-0.123 Maik Wolfram +49 (331) 567-7982 maik.wolfram@... K-U.209