MASTER CLASS SELF-TAUGHT ENGLISH
Learn how to improve your English — faster, smarter, and more affordably through self-study.
In just 3 hours, Professor Martin Zale Winkler (UC Berkeley graduate, California-certified instructor) will guide you through proven techniques, revolutionary AI tools, and a clear roadmap to CEFR B2-C1 proficiency, supported by the SELF-TAUGHT ENGLISH e-book.
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30+
Years of experience -
10K+
Students -
B2 - C1
CEFR Level -
UC Berkeley
Credential