By initiating and spearheading engagements with stakeholders locally and at international fora, Koh seeks to promote societal understanding of the world we live in, and amplify the university’s and Singapore’s contributions to sustainability efforts globally.

He is presently also the Kwan Im Thong Hood Cho Temple Chair Professor of Conservation, and Director of the Centre for Nature-based Climate Solutions at NUS.

In 2020, Koh received a prestigious award from the National Research Foundation of the Singapore Prime Minister's Office under its Returning Singaporean Scientists Scheme.

[5] His research focuses on developing innovative science and science-based decision support tools to reconcile societal needs with environmental protection.

[19] Koh is a regular plenary speaker at international meetings, including the WWF Fuller Symposium in 2012,[20] the Clinton Global Initiative University in 2013,[21] and the Intergovernmental Eye on Earth Summit in 2015.

[22] Koh's work has been featured in international media, including the New York Times,[23] Smithsonian Magazine,[24] Scientific American,[25] NewScientist,[26] the Telegraph,[27] among others.