Niko
Nikolai Beiers (Niko) is a native German teacher and tutor with over 7 years of experience and more than 5,000 online lessons. He specializes in exam preparation (Goethe, Telc, TestDaF), German grammar explanations, and professional German for work. Niko has published over 100 grammar and vocabulary guides and created 80+ interactive quizzes for learners from A1 to C1.