Tan Sri Dr. Koh Tsu Koon (born August 26, 1949 in Penang; simplified Chinese: 许子根; traditional Chinese: 許子根; pinyin: Xǔ Zǐgēn; Pe̍h-ōe-jī: Khó Chú-kun) is a Malaysian politician. He was the Chief Minister of Penang from 1990 to 2008 and is currently a member of the Dewan Negara, the upper house of the Malaysian Parliament. In April 2009, Koh was appointed Minister in the Prime Minister's Department by Prime Minister Najib Tun Razak. He was famously known for contributing in "Sungai Pinang" campaign where he took almost 10 years to complete it.
He is currently president of Parti Gerakan Rakyat Malaysia (Gerakan), a member of the ruling Barisan Nasional coalition.
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