Koh Swee Lean Collin is research fellow at the S. Rajaratnam School of International Studies, based in Nanyang Technological University, Singapore.

Collin is a research fellow at the Maritime Security Programme, of the Institute of Defence and Strategic Studies which is a constituent unit of the S. Rajaratnam School of International Studies, based in Nanyang Technological University, Singapore. He primarily researches on Indo-Asia Pacific naval affairs, focusing on Southeast Asia and published a number of op-eds, policy- and academic journal articles as well as chapters for edited volumes covering those areas.

He has also taught various professional military education and training courses with the Singapore Armed Forces Training Institute since 2010. Besides research and teaching, Collin regularly contributes perspectives to local and international media outlets, including Bloomberg, Channel NewsAsia, Reuters, South China Morning Post and Voice of America. In addition, he participates in activities with geopolitical risks consultancies Oxford Analytica and Wikistrat.

As a continuation of his doctoral dissertation which compares naval modernization in Southeast Asia with those from the surrounding broader Indo-Asia Pacific region, Collin is at present compiling a database consisting of up to 18 selected regional countries, comprising information related to their naval forces development and structures, national policy discourses, confidence-building and cooperative measures, as well as incidences of the threat and use of force at sea.