Won-gil Park graduated from Pusan Foreign Language High School, Japanese Dept in 1995. Graduated from Hankuk University Of Foreign Studies, English Dept. in 2003. Taught English in a variety of Institutions such as Kyoung Seong Uni., English Language Schools, and so on from 1995 to 2011. He has written with others about the TOEIC grammar after researching the ten-years TOEIC materials containing more than 30,000 Business English Sentences in 2003-2005. He has operated his own blogs and cafe from 2003 to now, more than a decade. It started from his concern and care to help a student through emails who cried after seeing him leave an institution. He opened and operated 2 Facebook groups about 2 years. One private has 9K, and the other open 4K. Mr. Park has written 141 ebooks about the English language such as grammar books, Composition & Correction books, English Love Letters, etc., not to mention K-Pop Singing in English on various Smart eBook Apps in Korea. Now having about 20 SNS channels such as Google+, Instagram, Twitter, Tumblr, VK, Linkedin, Kakao Story of Korea, Nave post of Korea, Youtube, Tistory of Korea, & Blogger. The names are 라울선생님의영어혁명제국 (meaning Raoul Teachers English Empire) or Won-gil Park. He is thought to be one of the power speakers on SNS, because he can reach almost 30K people at a time, so even many officials and various journalists are following him on Twitter. Soon-to-be on a TESOL Masters course in Cyber Hankuk Uni. Of Foreign Studies TESOL Graduate. Find his recent book listed on Amazon, titled: Raoul Teachers K-Pop Singing In English.