Has Ge Jun, a math candidate in Jiangsu college entrance examination, ever been a middle school teacher, and in which middle school?

Yes, high school affiliated to nanjing normal university. I used to be a math teacher.

He used to be the president of the experimental school affiliated to Nanjing Normal University, the vice president of the School of Teacher Education of Nanjing Normal University, and the president of high school affiliated to nanjing normal university 20 12+0 1.

Ge Jun, male, born in June of 1964+00, is from Rudong County, Nantong City, Jiangsu Province. Professor of Nanjing Normal University, tutor of master students, known as "the emperor of mathematics" on the Internet. The core member of the new curriculum standard senior high school mathematics (Jiangsu Education Edition) textbook compilation group, and the senior coach of China Mathematical Olympics.

He has participated in the mathematics proposition of Jiangsu paper in the unified national college entrance examination in 2003, 2007, 2008 and 20 10, and served as the deputy head of the mathematics proposition group of Jiangsu college entrance examination in 20 10.

Deputy director of Jiangsu Mathematical Society, editorial board member of Mathematical Communication magazine, director of Jiangsu Abacus Association, and executive director of Nanjing Mathematical Society.