- Source of Wealth: Music
- Age: 50
- Birth Place: Stretford, Lancashire, England
- Height: 5′ 9″ (1.75 m)
- Full Name: Jason Luís Cheetham
- Nationality: United Kingdom
- Date of Birth: December 30, 1969
- Ethnicity: English, Portuguese
- Occupation: Musician, Lead Singer of Jamiroquai
- Education: Oakham School
Kay is a shrewd operator, owning 22 serious collectable cars and living in a Buckinghamshire mansion. His company Jamiroquai showed £9.1m assets in 2009-10.