Ms Charmaine Sim began volunteering with APSN in 2019 as a member of the Human Capital Committee as well as a member of the School Management Committee. She currently serves as a Board Director of APSN Education Services Ltd. and as a member of the APSN Human Capital Committee.

Ms Sim is now with a public healthcare institution as the Director of Human Resource Management. Certified with a Master in Business Administration and a Bachelor of Computer Science and Information Systems, she has more than 30 years of experience in Human Resources, Sales and Marketing.