Previously, he held the position of Assistant Principal Investigator (PI) at IMCB from 2008, and was promoted to Co-PI in 2013. Before moving to Singapore, he was a postdoctoral fellow with Matthias Hammerschmidt at the Max Planck Institute for Immunobiology in Freiburg, Germany, from 2004-2008 through a Max-Planck Postdoctoral Fellowship. In 1999, he was awarded a British Council ORS Award to pursue a PhD degree under the supervision of Robert Kelsh from the Department of Biology and Biochemistry, University of Bath, UK.