cheol Beom LeeThe author is a Korean American; he taught himself English to be fluent in Korea; he taught English in Korea before he came to the USA; he completed the Master and PhD courses in Linguistics with focus on second language acquisition at the Universityof Colorado at Boulder, USA; he developed the BTM program and applied the program in his teaching Korean at the University of Colorado and other colleges for over 10 years; he also applied the BTM in private programs teaching English to immigrants, and he has experiences of different environments and students where his teaching with the BTM succeeded or failed. He knows the ropes. Read More Read Less