Sir Gilbert Simpson KNZM QSM (born 5 April 1948) is a New Zealand businessman and computer programmer.
By age 22 he was Head of Computer Programming at the Comalco aluminium smelter in Bluff, which at that time was the largest industrial project ever undertaken in New Zealand.
[6] In the 2000 New Year Honours, he was appointed a Knight Companion of the New Zealand Order of Merit, for services to information technology, commerce and the community.
In 2008 Simpson received an NZX Flying Kiwi Award and joined the PricewaterhouseCoopers NZ Hi-Tech Hall of Fame.
[20] In the 2016 New Year Honours, Lady Simpson was appointed a Companion of the New Zealand Order of Merit, for services to philanthropy.