David and Peggy Kehe have taught ESL for over 40 years. In the 1970s they spent two years teaching EFL as Peace Corps Volunteers in Niger, West Africa. After that, they taught for a year on Lesbos Island, Greece, for twelve years in colleges in Japan, and for a number of years in colleges in the United States: University of Wisconsin-Stevens Point, Western Washington University and Whatcom Community College. They both have MA degrees in Teaching ESL from The School for International Training in Brattleboro, Vermont and have co-authored eight textbooks with Pro Lingua Associates. Currently, Peggy is retired, and David is Faculty Emeritus at Whatcom Community College in Bellingham, Washington. His blog for ESL teachers can be found at https://CommonSense-ESL.com.