
Python, LaTeX, Java
Organizer of a nation-wide 300 people mathematical community, hosted several online mathematical competitions(see https://pitour.athmyx.com/), problem writer, posting weekly original problems.
Help organize a 200-people math community, hosted the school's largest integration bee, with over 50 participants.
Problem writer for the school's math club, highly experienced in writing and teaching combinatorial problems.
As a former tennis player(trained professionally at IMG Academy), I am responsible for the school tennis club's events, including daily training, match organizing, etc.