Zhaoyun Hu is a senior Middle School teacher, a Superfine teacher and the founder of “Discovery Mathematics". He has 35 years of teaching and management experience in public primary and secondary schools, universities, and private and international schools. He is a core editor of the compulsory education textbook of mathematics and the mathematics teacher teaching book published by the Ministry of Education of Beijing Normal University. He is the lecturer of junior high school mathematics audio-visual textbook (Grade 8), Zhejiang Education Edition. He participated in the compilation of more than 10 teaching books. He has also served as a national high school entrance examination evaluation expert, a member of the government basic education achievement committee, and a special and senior teacher on the evaluation committee. He is a member of the provincial curriculum reform professional steering committee, provincial primary and middle school textbook review committee, and he's an educational master's practice tutor. He has given numerous lectures and demo classes hundreds of times across the country, which amasses to more than 200,000 teachers in the audience. He joined Yige Education Group as the Director of Mathematics Course. He is now dedicated to guiding the HDSH and HDBJ to implement the "Discovery Mathematics" curriculum.