[2] He Ting Ru attended CHIJ Saint Nicholas Girls' School and Raffles Junior College before graduating from the University of Cambridge with a Bachelor of Arts degree in natural sciences.

In 2020, she supported a motion by Aljunied MP Sylvia Lim pertaining to the issues raised by a major court case involving Parti Liyani, a domestic worker who worked for former Changi Airport and Surbana Jurong Chairman Liew Mun Leong.

[14] In response to the motion, PAP MP Murali Pillai put forth amendments removing the call for a review of the justice system, which WP MPs dissented against.

[16] During the Foreign Interference (Countermeasures) Act 2021 debate, she tabled amendments to the bill introducing judicial oversight with hearings to be held in camera.

[18] In 2024, He Ting Ru raised an adjournment motion pushing for tougher regulations and economic interventions in order to tackle the impact of urban heat in Singapore.