Contact
Sibylle Gerstl, PhD MSc MBA
Consultant
Jesuitengasse 87f
50737 Cologne
Germany
E-Mail: sgerstl@aol.com
Mobile: +49 172 26 30091
Skype: sibylle.gerstl
Sibylle Gerstl, PhD MSc MBA
Consultant
Jesuitengasse 87f
50737 Cologne
Germany
E-Mail: sgerstl@aol.com
Mobile: +49 172 26 30091
Skype: sibylle.gerstl