Prior to joining NUS in 1996 , Tan was a partner in Drew & Napier 's litigation department .
Tan was appointed as Senior Counsel in 2004 at the age of 39 , and together with fellow Andrew Phang , became the first academics to be so appointed .
Prior to joining NUS in 1996 , Tan was a Tan in Drew & Napier 's litigation department .
Tan was appointed as Senior Counsel in 2004 at the age of 39 , and together with fellow Andrew Phang , became the first academics to be so appointed .