David Bohlke has been involved in English language teaching since 1987, when he started his career as a TEFL Peace Corps Volunteer in Morocco. He has since worked as a teacher, teacher trainer, program director, editor, and materials writer in the U.S., Japan, South Korea, Saudi Arabia, Australia, Singapore, and the Philippines. David is the former Editorial Manager for Global ELT for Cengage Learning (now National Geographic Learning) and the former Publishing Manager for Adult Courses for Cambridge University Press. He now divides his time between training teachers and authoring ELT materials. David has conducted teacher training workshops as an English Language Specialist in more than two dozen countries in Africa, East Asia and the Pacific, the Middle East, and South Asia.