William Young (judge)

Sir William Young
Young in 2020
Non-Permanent Judge of the Court of Final Appeal of Hong Kong
Assumed office
June 2025
Justice of the Dubai International Financial Centre Courts
In office
27 July 2022 – 9 August 2022
Succeeded byStephen Kós
Justice of the Supreme Court
In office
1 July 2010 – 14 April 2022
President of the Court of Appeal
In office
2006–2010
Preceded bySir Noel Anderson
Succeeded byMark O'Regan
Personal details
Born (1952-04-14) 14 April 1952
Christchurch, New Zealand
Spouse
Susan Mary Young
(m. 1979)
RelationsNeville Young (brother)
Alma materUniversity of Canterbury
University of Cambridge
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Sir William Gillow Gibbes Austen Young KNZM KC (born 14 April 1952) is a New Zealand judge and a non-permanent judge of the Court of Final Appeal of Hong Kong.

He served on the Court of Appeal from 2004 to 2010, including as President from 2006. In 2010 he joined the Supreme Court of New Zealand. After retiring in 2022, Young has accepted appointments to international courts, including the Hong Kong Court of Final Appeal in 2025.