胡碧华

胡碧华老师于20世纪60年代毕业于新加坡成人教育局举办的华文黄昏中学。胡老师曾在新加坡国家档案馆工作了15年，之后在科尔曼（Coleman）商业和语言中心教授中文和当私人华文家教20年。胡老师是恩群社区服务的兼职汉语拼音老师。

丁改凤

Ding Gaifeng holds a Bachelor Degree in Education from the History and Culture College, University of Henan, China. She worked as a teacher in a China Henan Zhengzhou Senior High School for 34 years. Mdm Ding currently holds a Master of Divinity student in TCA College, Singapore.

丁改凤

Ding Gaifeng holds a Bachelor Degree in Education from the History and Culture College, University of Henan, China. She worked as a teacher in a China Henan Zhengzhou Senior High School for 34 years. Mdm Ding currently holds a Master of Divinity student in TCA College, Singapore.

Oh Peck Wah

Oh Peck Wah graduated from the Chinese Evening High School (华文黄昏中学) organised by the Singapore Adult Education Board (新加坡成人教育局) in the 1960s. Mdm Oh worked at the National Archives of Singapore for 15 years before teaching Chinese at Coleman Commercial & Language Centre and to private students for 20 years.