Governance

Mr. Koh Yew Hock is the co-founder and CEO of SISB Public Company Limited. Mr Koh was educated in Singapore and has been based in Thailand since 1992. He holds an executive MBA Degree from SASIN of Chulalongkorn University and
a diploma in mechanical engineering from Ngee Ann Polytechnic, Singapore. He speaks fluent English, Chinese and Thai.

Ms. Wilawan Kaewkanokvijit is the co-founder and Admissions Director of SISB Public Company Limited overseeing the admissions of schools. She spearheads student enrolment matters and serves as the key liaison for group schools with
parents and students. She holds a diploma in accounting from Rajamangala University of Technology.

Ms Panthip Kolyanee is a Licensee representative of SISB and School Director of SISB Pracha Uthit campus. She served for eight years as the School Director of an international school prior to joining SISB and has also amassed more than 20 years of teaching and management experience in the education industry. Ms Kolyanee holds a Master Degree (MPE) from Thammasat University, a Bachelor of Arts Degree from Chiangmai University and a Post Graduate in Education Management from Chiangmai Ratchapat University.

Ms Euamporn Warawatanathamrong joined SISB in 2013 as Accounting Manager and rose to become Senior Accounting Manager. She oversees the overall control of accounting and financial organisation and process, as well as the account and finance system of the corporate unit and schools under SISB Group. Before joining SISB, Ms Euamporn worked as the Finance and Human Resource Manager of German-based Thyssenkrupp Elevator and Escalator for almost 10 years, and also for more than three years with Sodexo health-care support services from France, which provides outsourcing of health-care related services. Ms Euamporn holds a Bachelor of Business Administration (accounting major) from Ramkhamhaeng University, Thailand.

Ms Sunandha 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 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.

Ms Narisa Lertnamwongwan has been on the academic team of SISB since 2007. She started her career at SISB as an early-years teacher, and rose to become a member of the management team. Ms Narisa oversees the early-years sections of all five SISB campuses as their Executive Principal, and manages the Thonburi and Ekkamai campuses as Principal. She has two Bachelor’s Degrees (one in Psychology), Diploma in Business Management, in Montessori and in Early Childhood Development.