Our Story

Mr Tan Tee How joined CES as Executive Director in February 2018. Prior to this, he was the Commissioner of Inland Revenue and Chief Executive Officer of Inland Revenue Authority of Singapore. Mr Tan served as Permanent Secretary (National Development) in 2004 and was appointed as Permanent Secretary (Home Affairs) in 2011. He was also a board member of the National University Health System from April 2016 to March 2019.

Mr Law Cheong Yan joined CES as Chief Financial Officer in August 2013 and progressed to a new role as Chief Operating Officer in Jan 2022. Prior to this, Mr Law spent more than nine years in China and the U.S. managing the businesses of several Singapore companies’ overseas subsidiaries. Mr Law was also the Group’s Financial Controller for the period from June 1999 to February 2004 and an auditor with an international accounting firm from September 1995 to June 1999. He is also a member of ISCA and CPA Australia. He serves as an independent director of Dynamic Colours Limited.

Dr Koh Thiam Seng joined Sing-Ed as Senior Vice President in October 2018. Prior to this, Dr Koh was Associate Dean at the Office of Education Research and Associate Professor of Natural Sciences and Science Education at the National Institute of Education where he had served for more than 28 years. At the Ministry of Education, he was a Deputy Director (2000–2003) in the Higher Education Division before moving on to Director of Educational Technology (2003 – 2008). He was concurrently Deputy Director (2007–2008) at NIE. He was Principal (2009–2015) of St. Joseph’s Institution and Chief Executive Officer (2015–2017) at St. Joseph’s Institution International School.

Mr Charles Tong joined Sing-Ed as Senior Vice President in September 2021. He has more than 25 years of education experience in both public and private schools as well as private education institutes. Prior to this, he was the Principal and CEO of St Francis Methodist School where he transformed the school, leading them to attain IB World School status in 2 years, while concurrently establishing a full primary school. He has also held school leadership roles at Hwa Chong International School, Fairfield Methodist Primary School and Dunman High School, encompassing principalship at the 3 core levels of primary, secondary and pre-tertiary. Charles was also a Senior Quality Assessor at MOE Headquarters and Senior Director at MindChamps.

Mr Abdul Mannan joined Sing-Ed as Senior Vice-President. He served as Principal of Ang Mo Kio Secondary School and was subsequently appointed Cluster Superintendent, where he managed 13 schools that included primary schools, secondary schools and a Junior College. He graduated with a Bachelor of Science (1st Class Honours) and has a Master’s in Public Administration from the Lee Kuan Yew School of Public Policy at the National University of Singapore. He is currently the Vice-Chairman of the Science Teachers Association of Singapore and Vice-President of the Singapore Association for the Advancement of Science. He has also served as Board Member of Academy of Principals, Singapore and as Council Member for Singapore National Academy of Science.

Mr Ang Pow Chew  joined Sing-Ed as Senior Vice-President in January 2023. He has more than 35 years as an educator and has served in various capacities in the Singapore Education System. He graduated from the National University of Singapore with a Bachelor of Arts (Hons) in the English Language. He has completed Master’s degrees in English Language, Knowledge Management and Education Administration.