Mr. Koay Wooi Seong started his career with Polytool Engineering Sdn. Bhd. as Sales Executive in year 1992 after graduated from high school and obtained his Sijil Pelajaran Malaysia. Polytool Engineering Sdn. Bhd. is now known as Kobay Assets Sdn. Bhd. a wholly owned subsidiary of Kobay Technology Bhd. 

In year 1997, he changed his career path from manufacturing industry to property development industry. In year 1998, he was appointed to the Board of Kobay Properties Sdn. Bhd., Kobay Realty Sdn. Bhd. and Kobay Development Sdn. Bhd..  As an Executive Director of Kobay Development Sdn. Bhd., an established Property Development & Property Investment holding company, he has led several projects undertaken by the Company in Penang state ranging from residential to commercial products . During the same period in 2002, he was also appointed as Managing Director of Pembinaan Sendanas Sdn Bhd., a well-established company possessed license from  Construction Industry Development Board (CIDB) expert in the construction of building and civil work.

He has more than 25 years extensive experiences in the property development & construction management industry. Throughout those years, he has shed his sweat and blood in numerous development & construction projects where his experience in this field is highly regarded and recognized amongst the peers.

Mr. Koay Wooi Seong is nephew of Dato' Seri Koay Hean Eng and Mr Koay Cheng Lye. 
Mr. Koay Wooi Seong and Mr. Koay Zee Ee are cousin.

NIL

- Indirect shareholding of 10,163,594 Ordinary Shares (3.116%) in Kobay