美籍华人，毕业于匹兹堡大学语言学专业，有着近20年的美国本土生活学习经历，对美国文化和语言学习过程有着非常熟悉的了解和亲身体验。自大学时期开始研究语言学，主攻second language acquisition。郑老师课堂教学如美国课堂般生动活泼，但又能针对学生的错误环节及时提出纠正，用她独具魅力的教学提高学生对学习兴趣，达到的提高英语水平的目的。
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