Kjeld Kirk Kristiansen (Danish pronunciation: ['k??l? 'k?i??k k??æ'stjæ??nsn?]; born 27 December 1947) is the former president and CEO of The Lego Group (1979–2004).
According to Forbes, Kristiansen is the 3rd richest Dane, with a net worth of $5.4 billion as of September 2018.
He is the grandson of Lego founder, Ole Kirk Christiansen.