Born in Hong Kong in 1932, Leo K. K. Wong was qualified as Medical Doctor from the Faculty of Medicine, the University of Hong Kong in 1959, and has practised as a Physician until 2006. In 1966, he began studying photography under master photographer SF Dan. In the 1970s, Wong ranked among the world's top ten photographers for nine years - first in four years - in the International Salon Exhibitions. In 1980, he became friends with the late Chinese painter Zhu Qizhan and was greatly influenced by his spirit in Chinese art.
In 2010, Wong was awarded the Bronze Bauhinia Star (BSS) by the HKSAR Government for his achievements in photographic art. He was also awarded Hon. FRPS by the Royal Photographic Society in 2013, and Hon. PSA, a distinctive title bestowed by the Photographic Society of America in 2014.
He has held solo exhibitions at Centre Culturel de Chine, Paris, Nan Hai Arts Center, San Francisco, National Art Museum of China, Beijing, Hong Kong Central Library, and over 30 cities in China. His works were exhibited at the Photo Münsingen festival, Switzerland, Montier-en-Der festival, France, etc.