Hans-Jürgen Kölle
Sales and Communications

Aichelbergstrasse 6
D-73760 Ostfildern
phone: +49. (0)711. 455 32 6

Lutz Hackenberg
Professional Basics

Güldenstrasse 10
D-38100 Braunschweig
phone: +49. 531. 167 97
fax: +49. 531. 618 36 97

Heide Hackenberg
Author and Coach AGD

Güldenstrasse 10
D-38100 Braunschweig
phone: +49. 531. 167 97
fax: +49. 531. 618 36 97
e-mail: hackenberg(at)agd.de

Marianne Lotz
Customer Acquiring

Hauptstrasse 86
D-56620 Urmitz/Rhein
phone: +49. 2630. 64 84
e-mail: info@marianne-lotz.de