a faculty member in a prestigious college in the US over 10 year

Math/Physics/Chemistry: 
Over 20 years records of successful academic teaching and tutoring experience. Dr. Yin previously taught Mathematics as an Assistant Professor in one of the top Universities in China about 30 years ago. He was a faculty member in a prestigious college in the US for over 10 years. He specialized in Math, Physics and Chemistry for K-12 and college students.