In this Hong Kong name, the surname is Cheng. In accordance with Hong Kong custom, the Western-style name is Camille Cheng and the Chinese-style name is Cheng Lily-mei.
Born on 9 May 1993 in Hong Kong to a Taiwanese father Cheng Wong-ping and French mother Catherine. She speaks French, English and Mandarin.[2] She went to French International School until the age of nine, when her family moved to Beijing for her father's engineering job.[3] She attended the International School of Beijing.[2]
She swam for the University of California, Berkeley, team under Olympic coach Teri McKeever and alongside the already Olympian medalist Sara Isaković. She became joint captain in her final year before graduating university with a degree in Psychology. Cheng took Bronze at the Asian Games in 2014. In December 2015, Cheng made an Olympic A time (which guarantees a place) at the United States National Championships in 200 metre freestyle. She became one of three Hong Kong women to have ever made an A time.[3]