Mark Leonard
Toronto, Canada
Bachelor of Arts/Science, University of Guelph | Master of Business Administration, The University of Western Ontario - Richard Ivey School of Business
Canada
software, Self Made
$1,400,000,000
1941
#1941 Billionaires 2019
Mark Leonard is chairman of Canadian tech company Constellation Software, which he founded in 1995.He has a nearly 5% stake in the publicly-traded software firm that pulled in $2.3 billion in sales in 2018 and operates in over 100 countries.Constellation Software, also known as CSI, acquires, manages and builds software businesses. In 2018, the firm acquired 8 tech companies.After getting his MBA from the University of Western Ontario, Leonard worked in venture capital for 11 years.
The elusive billionaire has never talked to the press and there are no photos of him online.According to Canada's Globe and Mail, Leonard worked "as a banker, valuator, mason, gravedigger, dog handler, bouncer, sapper, and wind energy researcher."
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