German Teacher certified by the Goethe Institut

I am a certified German Teacher. I taught 7 years by the international Goethe Insitut. A small introduction of the Institut : The Goethe Institut is the only German Insitut that is recognized by all authorities and embassies in the world. They and the german embassy represent Germany in all countries. I teached also as self employed 8 years the German Language for adults and medicin students and engineers. My work is not limited to teaching ,I also prepare my students for the exam and the German culture. So overall I have a 15 years of teaching Adults from age 16 to age 65.