25+ Years of English Teaching Expertise & TESOL Professional Welcome to the official blog of Becky Lee, an English education expert with over 25 years of experience in Seoul and Pyeongchon. As a TESOL graduate of Anaheim University and author of the "My First Grammar" and "Word Bpogaegi" series, I share professional insights into linguistics, etymology, and effective learning strategies. Discover the journey of CASTO English Academy and creative educational resources.