所教科目：化学 Chemistry; 美国南达科他大学材料化学博士，AP和IB认证教师，TESOL高级教师，在美国大学任教多年，回国后一直从事国际高中教育，对A-Level，美高，AP都有丰富的教学经验。 Doctor of Philosophy in Material Chemistry in University of South Dakota, AP and IB certified teacher, and senior teacher of TESOL. He has been teaching in American universities for many years. After returning to China, he has been engaged in international high school education and has rich teaching experience in A-Level, American high school courses and AP.