David Thomson, 3rd Baron Thomson of Fleet

The Lord Thomson of Fleet
Personal details
Born
David Kenneth Roy Thomson

(1957-06-12) 12 June 1957
Toronto, Ontario, Canada
CitizenshipCanadian and British
Spouse(s)Mary Lou La Prairie (1988–1996)
Laurie Ludwick (2000–2006)
Domestic partner(s)Kelly Rowan (2007–2008)
Severine Nackers (2014–present)
Children7
Parent(s)Kenneth Roy Thomson
Nora Marilyn Lavis
Relatives
EducationUpper Canada College
Alma materSelwyn College, Cambridge (MA)

David Kenneth Roy Thomson, 3rd Baron Thomson of Fleet (born 12 June 1957), is a Canadian/British hereditary peer and media magnate. Upon the death of his father in 2006, Thomson became the chairman of Thomson Corporation and also inherited his father's British title, Baron Thomson of Fleet. After the acquisition of Reuters in 2008, Thomson became the chairman of the merged entity, Thomson Reuters.

As of January 2025, Thomson is the richest person in Canada and 22nd richest in the world, with an estimated net worth of $68.6 billion USD.