How to reach us Locations Central point of contactT: +49 (0)231 1392-0F +49 (0)231 1392-120 ISAS CityBunsen-Kirchhoff-Str. 1144139 Dortmund Route planner ISAS CampusOtto-Hahn-Str. 6b44227 Dortmund Route planner ISAS BerlinSchwarzschildstr. 812489 Berlin Route planner Contact Communications Sara Rebein T: 0231 1392-234 E: jrir.ivsvze@zjrj.uv Executive Office & Services Heike Schweda T: 0231 1392-102 E: yvzbv.jtynvur@zjrj.uv