Ngoh Kheng Seng currently serves as a percussionist / timpanist with the SCO which he joined in 1997. He began his training at the age of 12 when he joined his secondary school marching band. He joined the Singapore Youth Orchestra (now SNYO) in 1986 and was under the tutelage of Singapore Symphony Orchestra (SSO) percussionists Lim Meng Keh, Mark De Souza and principal timpanist Grzegorz Markiewicz. In 1987, he was invited by Maestro Choo Hoey to freelance for the SSO.

Ngoh Kheng Seng had the honour to be one of the first percussionists to join and perform with the Asian Youth Orchestra under Maestro Yehudi Menuhin in 1989 and 1990 respectively. During his tenure with the SSO, he was also awarded the best percussionist for 2 years by Maestro Lim Yau. Between 2001-2003, Ngoh Kheng Seng was the chairman of the National Youth Percussion Festival.

An active learner and extensive percussion educator, Ngoh Kheng Seng attended numerous timpani master classes – Cloyd Duff (2008), Alan Abel (2012) – and ASEAN music workshop for orchestra and band to further his knowledge on percussion and orchestral music making. He strongly believes in translating what he has learnt into teaching. Currently Ngoh Kheng Seng is coaching award winning Bands and Chinese Orchestras and has been the percussion instructor for the Singapore Youth Chinese Orchestra since 2003.