Tan Sri Ong Ka Ting holds a Bachelor of Science (Honours) degree and a Diploma in Education respectively from University of Malaya. He was conferred the Honorary Doctor of Laws Degree by Campbell University in December 2008. He was conferred Guest Professor of Xiamen University since September 2008.

Tan Sri Ong Ka Ting has held various senior appointments in the Malaysian Government Administration from November 1986 until his retirement in March 2008 including the positions of Parliamentary Secretary and Deputy Minister for the Ministry of Home Affairs and Minister for the Ministry of Housing and Local Government.
 
Tan Sri Ong is the Independent Non-Executive Chairman of Taliworks Corporation Berhad (Taliworks). He is also the Chairman of both Nomination and Remuneration Committees of Taliworks. 

Tan Sri Ong has been a Trustee of Yayasan Tan Sri Lee Shin Cheng until 28 August 2015. He was also appointed Deputy Chairman and Trustee of Kuok Foundation from 1 January 2009 to 1 April 2010. 

Tan Sri Ong has been the Chairman of Malaysia-China Business Council since 23 July 2011. He has also been appointed as "Malaysian Prime Ministers Special Envoy to the People's Republic of China" with ministerial status.  

Tan Sri Ong was the President of Malaysian Chinese Association (MCA) from 2003 to 2008, Chairman of Tunku Abdul Rahman College Council from June 2004 to September 2011 and Member of Parliament for Pontian, Tanjong Piai and Kulai constituencies in Johor since October 1990 to May 2013.

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