A lawyer by training, Loun Ling obtained her Master of Theological Studies from Regent College, Canada.  She is currently a Visiting Lecturer at BMS new mission personnel training in Birmingham. Formerly she served as the Training Director of AsiaCMS in Malaysia; Lecturer in Asian and Mission Studies and Director of Asian Studies at Redcliffe College, UK. Previous to that, she spent five years as a Pastor at Grace Singapore Chinese Church and 19 years with OMF as a mission mobiliser and trainer.

She is married to Tan Kang San, General Director of BMS World Mission. They are blessed with a daughter, Chara.