Loong Seng Onn


Loong Seng Onn | Society of Mediation Professionals Singapore

Loong Seng Onn

Mediator, Conflict Management Trainer

Singapore Mediation Centre (SMC)

Mediation Experience

  • Diverse disputes – family, medical, commercial disputes etc
  • Comfortable dealing with high conflict disputes

Career Background

Seng Onn was an officer of the Singapore Mediation Centre (SMC) for over 2 decades. He took over as Executive Director, SMC from 2004 till 2019. Under his leadership, SMC grew to be one of the largest ADR institutions in the region, with around 1000 disputes lodged per year and over 600 mediators on its panel.

Seng Onn is on the panel of mediators of SMC as well as the Singapore International Mediation Centre. He is also a CEDR UK, IMI (International Mediation Institute) and SIMI (Singapore International Mediation Institute) accredited mediator. Seng Onn has mediated and resolved a great diversity of disputes, ranging from family matters to complex commercial disputes.

As a dispute resolution trainer, he has been involved as the lead instructor for many conflict management workshops in countries such as Austria, Brunei, Cambodia, Fiji, Hong Kong, Jordan, Malta, United Arab Emirates and Uzbekistan. He also has considerable experience in developing new training programmes and curricula.


Bachelor of Laws, National University of Singapore