Write to us * = Mandatory field Firstname * Lastname * Email * Please specify your need * —Please choose an option—Application statusRequired documentsCourse optionsCourse schedule changeSick noteOther reasons Message * Find us Karl-Marx-Strasse 84, 12043 Berlin dtz@dtz-bildungswerk.eu (030) 2434 8914You can tap the number with your smartphone and call us. (+49) 0176 - 4597 8249You can tap the number with your smartphone and call us.