Kohulan started teaching in Toronto, Ontario 2009 in both mathematics and science. Moved to Bogota, Colombia in 2013 to teach at Gimnasio Britanico as the DP Biology teacher and the Head of Department of Sciences. After 3 years of teaching and working in curriculum development in Colombia, Kohulan took on the position of DP Chemistry teacher and DP Mathematics teacher at Northbridge International School Cambodia. He has also taken on a leadership role of implementing the Global Campus throughout the whole school.
In his spare time Kohulan enjoys the outdoors. He also has travelled and volunteered in education in both Africa, Asia and South America and continues to give back to the global community. He, also enjoys playing sports in particular hockey and football, and living and working in Phnom Penh.