Weng Wai was born in Singapore and moved to Auckland with he family at the age of eight. She graduated from the University of Auckland. She lives in Auckland with her husband and three kids. She is currently the Chair of the Auckland Branch of the NZ Society of Authors.
- Lizard's Tale (Text Publishing 2019).
- Storylines Notable Books Award 2020 for Lizard's Tale
- The Wright Family Foundation Esther Glen Award for Junior Fiction 2020 for Lizard's Tale
- Finalist for Best First Book Award, New Zealand Book Awards for Children and Young Adults 2020 for Lizard's Tale