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Meet our Founder & CEO

Carl Duff
Founder & CEO
Carl Duff holds a master's in Technology, Innovation, and Education from the Harvard Graduate School of Education. With over 10 years of teaching experience, he has taught K–12 English Language Learners across China, the U.S., South Korea, Vietnam, India, and Thailand. He has also created curriculum used by over 5 million students across the world. Carl applies cutting-edge research to design innovative lessons that are more engaging and effective than traditional methods.



