Professor Joel Lee is the Training Director and a Master Trainer at Peacemakers.

Joel Lee is a Professor at the Faculty of Law, the National University of Singapore. Joel co-pioneered the teaching of Negotiation and Mediation in the Singapore Universities and has played a significant role in furthering the development of mediation in Singapore, not just in education but in practice. A graduate of Victoria University of Wellington and Harvard Law Schools, Joel is a partner with CMP-Cambridge (USA) and a principal mediator with the Singapore Mediation Centre.

Joel was a member of the International Mediation Institute's Independent Standards Commission and Intercultural Taskforce and was also a key member of the Ministry of Law’s Working Group on International Commercial Mediation. Joel is presently the founding Chair of the Board of the Singapore International Mediation Institute. He is also a Certified Trainer of Neuro-Linguistic Programming (NLP).

Joel has taught overseas at the University of Copenhagen (Denmark), University of Law, Economics and Science of Aix‐Marseille (Aix‐en‐Provence France) and Anglia Law School (UK) and is the co-editor and co- author of the book "An Asian Perspective on Mediation" and the “Singapore Mediation Handbook”, and the General Editor for the Asian Journal on Mediation. In 2011, Joel was awarded the Outstanding Educator Award which is the National University of Singapore's highest teaching award. Joel was also awarded the Singapore’s Public Service Medal in 2023 for his work in promoting mediation.