"Columbia Graduate math teacher"
...After 9 years of college and secondary school Math
teaching, I immigrated to USA. Later on, I made a small career change to teach ESL for 3 years. During my Columbia University studying period, I picked up Math
/ELA teaching again in the public high schools in New York City for a year, while I did Chinese teaching for 3 years. So, my total teaching...
10+ subjects, including ACT Math, actuarial science and algebra 1