[3][4] Chun was chair of the woman's department of the Chinese Student Christian Association in North America in 1911.

[6] After graduating from college in the United States, Chun was director of the physical department of the Shanghai YWCA.

[9][10] and at "eight or ten girls' schools" in Shanghai,[11] working as co-teacher and translator with American missionary educators Henrietta Thomson and Abby Shaw Mayhew.

[12][13] "Never have I seen such a living dynamo of energy as Miss Chun in the class-room," wrote fellow Wellesley College alumna Sophie Chantal Hart in 1919.

[18] In 1918, Chun married Dao Dan Yang Lin, a forestry professor at Nanking University.