Lim Eng Wah holds a Diploma in Education and a Bachelor’s Degree (with Honours) in Chemistry. In his more than 50 years of experience as an educator, he had been a School Principal, an examinations officer, and an examination setter with the Ministry of Education. He had also taught off-campus courses to students at the higher institutions of learning. He has published and developed many Chemistry resources for secondary schools as well as pre-university colleges.