August 1955

Mr. Lian-Jhai Li

August 1968

Mr. Yie-Ping Wang

October 1973

Mr. Ji-Yang Sia

August 1978

Mr. Chang-Ping Shan

August 1984

Mr. Hui-Chuan Hsu

August 1992

Mr. Jin-Song Liao

August 1995

Mr. Sheng-Yuan Su

August 2003

Mrs. Shu-Fang Wu

August 2010

Mr. Lian-Rong Yin

August 2013

Mr. Wun-Cin Lo

August 2018

Mr. Ke-Zhi Hsien