Hans-Jürgen Radtke Board Contact Head of Judges Address: Berliner Chaussee 23 14929 Treuenbrietzen Email: This email address is being protected from spambots. You need JavaScript enabled to view it. Phone: +49 3374-810641 Fax: +49 3374-810647 Mobile: +49 172-3268166 http://adrk.de Contact Form Send an Email. All fields with an asterisk (*) are required. Name * Email * Subject * Message * Captcha * Send Email