Management Team

The management team at SISB is dedicated to ensuring our organisation remains true to its mission to be a leading educational provider that equips, enhances and empowers diverse learners as contributing global citizens.

Mr Koh is the co-founder and chief executive officer of SISB Co. Ltd. Mr Koh was educated in Singapore and has been based in Thailand since 1992. He holds an executive MBA Degree from Sasin, Graduate Institute of Business Administration of Chulalongkorn University, Thailand and a diploma in mechanical engineering from Ngee Ann Polytechnic, Singapore. He speaks fluent English, Chinese and Thai.
Ms Kaewkanokvijit is the co-founder and admissions director of Singapore International School of Bangkok. Overseeing the admissions department of the school, Ms Kaewkanokvijit spearheads all student enrolment matters and serves as the key liaison for the school with the parents and students. She also sits on the board of directors. Ms Kaewkanokvijit is a trained accountant and holds a diploma in accounting from Rajamangala University of Technology, Thailand.
Ms Leelasaengsai works with the CEO on the overall control and responsibility of the organisation’s financial strategy, analyses figures and implements recommendations on the group’s finances. She oversees the finance system of the corporate unit and schools under the SISB Group and plays an instrumental role in the Group’s expansion and joint venture projects. Previously to joining SISB, she has worked as the Financial Controller and Finance Director of various reputable companies in the high-end retail and FMCG sectors and one of Asia’s largest casual dining and quick-service restaurant company. She holds an MBA and an MS from California State Polytechnic University, USA and a BBA from Assumption University, Thailand.
Mr Ngiam oversees and directs the operational activities of SISB and administers policies in accordance with the Group’s objectives. A veteran in the hospitality industry who has served as the General Manager of major hotel chains in Thailand, Mr Ngiam was formerly the Operations Director of Sodexo Support Services, Thailand, a French based market leader in the provisions of quality healthcare, corporate and education services. He graduated from Ecole Des Roches, Switzerland with a specialisation in hotel & tourism management.
Mr Lim is the group academic director, working with the 5 campuses of SISB. He has served as a vice-principal and principal of various schools. He has contributed as a director involved in international education consultancy with overseas schools, ministries of education and the World Bank. Mr Lim also taught and did research in the Nanyang Technological University - National Institute of Education.