Lawrence Ong received the BEng degree (1st Hons) in electrical engineering from the National University of Singapore (NUS), Singapore, in 2001. He subsequently received the MPhil degree from the University of Cambridge, UK, in 2004 and the PhD degree from NUS in 2008. 

Lawrence Ong was with MobileOne, Singapore, as a system engineer from 2001 to 2002. He was a research fellow at NUS, from 2007 to 2008. From 2008 to 2012, he was a postdoctoral researcher at The University of Newcastle, Australia.

In 2012, Lawrence Ong was awarded a Discovery Early Career Researcher Award (DECRA) [success rate: 12.8%] by the Australian Research Council (ARC); in 2014, he was awarded a Future Fellowship [success rate: 18.07%] by the ARC. He is currently a Future Fellow at the University of Newcastle.