Chum Davin was born on 09 May 2001 at Koh Ream Village, Khnach Romeas Commune, Bavel District, Battambang Province. She is the second of three children in her family. Her parents are farmers. Currently, she is in her 4th year Preah Sihanouk Raja Buddhist University (SBUBB), majoring in English Literature. After graduation, she wants to teach young children in rural Cambodia.

Davin's English language skills are excellent.  You can watch her winning speech here.