As a member of the "Berlin Guide" association, now I'm one of the first DIN-EN Graduated Tour Guides in Germany and Europe. Its the -state of the art- qualification rate.
Meanwhile I've earned several licenses to guide through the castles and historic gardens in Berlin and Potsdam.
A Recent Review of this guide
Gerhard was prompt, friendly and extremely knowledgeable. He gave us a very good overview of Berlin and some insightful information as to Berlin's history.
I am a professional Tour Guide for Berlin and Potsdam/Brandenburg Region since 2004. And I'm now one of the first EURO DIN-EN Graduated Tour Guides in Germany and Europe.This includes various advanced skills.
Although I've got many guiding-licenses for the castles and gardens of the Prussian Castles and Garden Foundation, like Sans Souci in Potsdam.
In Germany its not allowed to drive a car and give sightseeing-informations by the same person.This services must be done by two different personas.