Katja Zehrfeld is author,entrepreneur, and German and English lecturer. She holds an MA in German Linguistics, Literature and Culture, and American Studies from the Technical University of Dresden, Germany. She was awarded a study scholarship to Belmont University, USA. In addition to working at universities and private language schools with students of all ages and levels, she also gained experience at the Goethe Institute Istanbul, Turkey, and the Max Planck Institute Leipzig, Germany, where her research focused on first and second language acquisition. Katja Zehrfeld runs her own company, zehrfeld.eu, which specializes in language training, translating, publishing, and editing. Ali Akpnar has been lecturing in Turkish and English since 1997. He graduated from Marmara University, Istanbul, in English Education. While his academic home discipline is English Studies his Turkish teaching is characterised by a distinctly interdisciplinary orientation. He also worked in co-operation with publishing companies and translation offices. Ali Akpnar is currently working as author and Turkish as a Foreign Language teacher. Moreover, he owns his own business, Akpnar Yaynclk, which focuses on language books and language training.www.study-turkce.com