Hsu was born in Taitung, and moved to Kaohsiung at the age of 12.[3] Nicknamed "the iron man of swimming", as late as the 1980s he held thirteen national records in swimming.[2] He later became the Dean of Student Affairs at Taipei Physical Education College, and in 2006 began pursuing PhD at Soochow University in mainland China.[4] He was elected president of the Chinese Taipei Swimming Association in May 2011.[5] He is the father of Hsu Chi-chieh, who also became an Olympic swimmer for Taiwan.[6]
^ ab許東雄有子承衣缽 [Hsu Tung-hsiung's son inherits his mantle]. Apple Daily (Taiwan). 28 April 2004. Retrieved 7 December 2017.
^泳協理事長改選 許東雄波折中出線 [Election for president of Swimming Association: Hsu Tung-hsiung breaks through the finishing line]. Liberty Times. 29 May 2011. Retrieved 7 December 2017.
^北體學務長許東雄 中國唸博士 [Taipei Physical dean Hsu Tung-hsiung studying for PhD in China]. Liberty Times. 1 November 2008. Retrieved 7 December 2011.
^泳協理事長選舉 許東雄出線 [Election for president of Swimming Association: Hsu Tung-hsiung wins]. Taiwan News. Central News Agency. 29 May 2011. Retrieved 7 December 2017.
^台灣泳壇蝶式一哥許志傑大婚 追了新娘14年 [Taiwan swimming's Elder Brother of Butterfly Stroke Hsu Chi-chieh gets married; pursued bride for 14 years]. Apple Daily (Taiwan). 30 January 2016. Retrieved 7 December 2017.