Leslie Koo Cheng-yun (Chinese: 辜成允; pinyin: Gū Chéngyǔn; Wade–Giles: Ku Ch'eng-yün; 28 November 1954 – 23 January 2017) was a Taiwanese business executive and billionaire. He served as Chairman of Taiwan Cement Corporation until his death in 2017. He was the second son of famous businessman and diplomat Koo Chen-fu. He was a member of the Lukang Koo clan, one of the five wealthiest families of Taiwan.
Leslie Koo Cheng-yun
|Died||January 23, 2017 (aged 62)|
|Other names||Gu Chengyun|
|Alma mater||University of Pennsylvania|
|Relatives||Chester Koo (brother)|
- "Powerful Taiwan Billionaire Clan Suffers Loss As Leslie Koo Dies In Taipei". Forbes. 23 January 2017.
- "Taiwanese cement scion Leslie Koo dies in fall". South China Morning Post. 24 January 2017.
- Huang, Ching-Hsuan (16 December 2010). "Preserving the Koo Family Escutcheon". CommonWealth Magazine. Archived from the original on 25 December 2016. Retrieved 25 January 2017 – via China Post.
- "Taiwan Cement chief Koo Cheng-yun dies at 62". Nikkei. 23 January 2017.