Thng Hwei-Lin graduated with LL.B (Hons) from the University of London in 1992. She was called as a Barrister-at-law (Middle Temple) in 1993 and as an Advocate & Solicitor of the Supreme Court of Singapore in 1994. She then went on to do her Masters in Law from Kings College, University of London in 1995.

Thng Hwei-Lin joined Yeo-Leong & Peh since March 1998 and was made a junior partner on January 2001. She became an associate director on 1st April 2002 when the firm converted to LLC.

Hwei-Lin's current areas of practice are banking litigation matters. Prior to joining Yeo-Leong & Peh, she has handled contractual claims, divorces & related matrimonial matters, corporate secretarial services, landlord & tenant disputes & housing agency disputes. She has also handled trial work for renovation claims and is literate in English and Chinese.