Yoen Har Wong holds the position of Secretary of Nam Lee Pressed Metal Industries Ltd., Secretary for Manufacturing Integration Technology Ltd., Secretary for Powermatic Data Systems Ltd., Joint Secretary at Europtronic Group Ltd., Secretary for Asian Pay Television Trust, Secretary of Singapore Kitchen Equipment Ltd., Secretary of Union Gas Holdings Ltd. and Co-Secretary for Excelpoint Technology Ltd.

She is also Associate at The Chartered Governance Institute.

In her past career Yoen Har Wong held the position of Joint Secretary at Green Build Technology Ltd., Secretary for Shanghai Turbo Enterprises Ltd., Secretary for AnnAik Ltd., Secretary of China Environment Ltd., Secretary for Revez Corp. Ltd. and Secretary of Jason Holdings Ltd. (a subsidiary of Revez Corp. Ltd.), Secretary of Hiap Hoe Ltd., Secretary of Lizhong Wheel Group Ltd. and Co-Secretary of Hafary Holdings Ltd.