冯定应：杭州学军中学副校长，EASDT理事，数学特级教师，在教育管理、学科教学、竞赛辅导、科研等各方面都取得了丰硕成果。教学风格独树一帜，注重因材施教，课堂教学引导学生从观察入手，培养学生的数学思维能力。

Feng Dingying： the vice principal of Hangzhou Xuejun High School, a special-grade mathematics teacher and an executive member of EASDT, has achieved fruitful results in education management, subject teaching, competition guidance, scientific research, etc. His teaching style is unique, focusing on teaching students in accordance with their aptitude.  In his class, he guides students to start with observation and cultivates students' mathematical thinking ability.