Ong Kim Seng was born in Singapore and has been a full-time artist since 1985. He has participated in group and solo exhibitions at Singapore and in the United States, China, United Kingdom, Japan , Australia, Belgium, Federal Republic Of Germany, France, Middle East, Taiwan, Hong Kong, and the ASEAN countries.
Ong is the first and only Singaporean to have won six awards by the prestigious 138-year-old American Watercolor Society (AWS), of which he was conferred membership in 1992. He is also the only Asian artist outside the USA to be admitted into AWS.
Ong left school in 1962 and after that joined an advertising agency where he worked as a bill collector. He left the agency after four years and found his next job as a policeman at the British Naval Base in Sembawang. He lost his job in 1971 when the British withdrew their troops from Singapore. He subsequently worked as a welder at Pulau Bukom, a line technician at an electronics firm, National Semiconductor, and an audio-visual/graphic technician at the Colombo Plan Staff College for Technician Education. In his working life, he had never stopped painting. In 1974, Ong got his first opportunity to present his watercolor artworks at a group show with artists Wan Soon Kam and Tan Jeuy Lee at the Meyer Gallery, organized by gallery owner and arts patron Della Butcher. When the College relocated to Manila in 1986, Ong decided to become a full-time professional artist in spite of having to care for an elderly mother ,and being married with a wife and 3 children on tow.
In 1993 his work, 'Bhaktaphur' was the first Singapore watercolour painting to be auctioned by Sotheby's in Hong Kong. In March 1994, his work, 'Bali' was auctioned by Christie's in Singapore. His works are now auctioned annually in Singapore and in the region.
Ong's works have appeared in eight books by publishers in America and China. He was Founding Editor-South East Asia for International Artist and an article on his works appeared in the first issue of the magazine in June 1998. His artwork can be find in the Singapore Art Museum, Neka Museum in Bali, Maritime Museum In Sentosa and the Hawk Gallery in Oregon, USA.
In 1999, he was awarded the Cultural Medallion for visual arts by the Ministry of Information, Communications and the Arts. He was confered as Dolphin Fellowship in 2000. He won the Excellence for Singapore Award presented by the Singapore Totaliser Board in 2000. He was also awarded the Singapore Internationale by the Singapore International Foundation in 2001. His most recent award is the 2001 Arts Supporter Award presented by the National Arts Council.
He has also received many other less significant awards. They include:
He was also President of the Singapore Watercolour Society from 1991 to 2001 when he became Honorary President, in which that capacity, he interacted with other watercolor organizations in the other parts of the world.
Ong Kim Seng was the Organizing Chairman of Asian Watercolours '97, the first international watercolor exhibition to be held in Singapore. He was also the vice-chairman of Singapore Art '97. He has been an Art Advisor to the National Arts Council since 1998 and is a life Fellow of the National University of Singapore's Centre of the Arts.
An ardent trekker, Ong has visited the Tianshan region of Sinkiang in China, the Nepalese Himalayas and the Tibetan Plateau many times to paint and to trek.
As an artist himself, he is an avid fan of paintings. His collectors include Queen Elizabeth II of England, the Prime Minister of the People's Republic Of China, the Secretary-General of the United Nations, President of the Republic of Korea, Prime Minister of the Kingdom of Thailand, the President of the Republic of the Philippines; the Prime Minister of Japan, the Prime Minister of India; the Governor of Hokkaido; Singapore Arts Museum; Singapore, Maritime Museum, , the Agung Rai Museum and Neka Museum in Bali, Indonesia ; the Ministry of Foreign Affairs headquarters, Foreign Missions and Embassies of the Republic of Singapore.
Ong is married with three children. His wife is Nam Ah Moy.