Pham was born in 1985 or 1986[2] to a Catholic mother of English and Irish ancestry and a Buddhist Vietnamese father.

[5] She moved to Palmerston North to study and graduated with a Bachelor of Science in ecology from Massey University in 2009.

[12] In the 2019 elections she ran with Axel Downard-Wilke on the ticket The Common Good , choosing not to run with The People's Choice.

[18][19] In late November 2023, Pham assumed the Green Party's environment, water services, biosecurity, emergency management and recovery, land information, statistics, tourism and hospitality, and customs spokesperson portfolios.

[21] In 2024, Pham and her family sold their home in Woolston, Christchurch and moved to Wellington to spend more time together.