- Source of Wealth: Lego
- Age: 73
- Birth Place: Billund, Denmark
- Marital Status: Married (Camilla)
- Full Name: Kjeld Kirk Kristiansen
- Nationality: Danish
- Date of Birth: December 27, 1947
- Occupation: Businessman
- Education: Science, Aarhus Business School; Master of Business Administration, International Institute for Management and Development
- Children: 3 (Agnete, Thomas, Sophie)
Kjeld Kirk Kristiansen has an estimated net worth of $12.9 billion as of January 2018. LEGO is a family business which was passed through generations from Kjeld Kirk Kristiansen’s grandfather Ole Kirk Kristiansen, then to his father Godtfred Kirk Kristiansen. From 1979 to 2004, Kjeld Kirk Kristiansen served as the Chief Executive Officer and President of the LEGO Group. In 2004, he stepped down as the CEO and President of the company to focus on his duty as the owner as well as the Vice Chairman of the Board of Directors.
He also serves as the Chairman of the Board of LEGO Holding A/S, LEGO Foundation and KIRKBI A/S.