[3][4] In Vancouver, Canada, she began her modern dance training at age 13 with Magda and Gertrude Hanova, disciples of Mary Wigman, and with Heather McCallum who worked with Anna Halprin.

[citation needed] Tseng was invited to New York by Jean Erdman after graduating from the University of British Columbia.

Tseng was a principal dancer in Erdman and her husband and mythologist Joseph Campbell's Theatre of the Open Eye from 1978[3] to 1985,[4] and was one of the first dancers to inherit many of Erdman's seminal roles,[5] dancing to originally commissioned music by John Cage, Teiji Ito, Lou Harrison, and Louis Horst.

[citation needed] Tseng regularly lectures on the topics of dance, performance, archiving and estate management.

[citation needed] She has lectured at The Platform at Paris Photo,[7] The Institute for Artists' Estates,[8] and OPEN Singapore.