Humboldt-Universität zu Berlin | Georg-Simmel Center for Metropolitan Studies | Employees Employees The GSZ employs researchers from various disciplines and with different thematic foci. The following list presents the permanent employees. B F H K M O S B ↑ Blokland, Talja, Prof. Dr. F ↑ Farías, Ignacio, Prof. Dr H ↑ Helbrecht, Ilse, Prof. Dr K ↑ Kip, Markus, Ph. D. Kip, Markus, Ph. D. M ↑ Mieg, Harald, Prof. Dr. O ↑ Oevermann, Heike, Dr. Oevermann, Heike, Ph. Dr habil. S ↑ Schulze, Henrik, Ph. D.