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Mark Leonard & family
$4.46B
as of 07/05/24
About Mark Leonard & family
Mark Leonard is president of Canadian tech company Constellation Software, which he founded in 1995.
Constellation Software, also known as CSI, acquires, manages and builds software businesses.
Leonard and members of his family own an estimated 7% of the company, which is listed on the Toronto Stock Exchange.
After getting an MBA from the University of Western Ontario, Leonard worked in venture capital for 11 years.
Personal stats
Citizenship
CanadaSource of wealth
SoftwareResidence
Toronto, CanadaBirth date
05/06/56 (age 68)Education
Master of Business Administration, The University of Western Ontario - Richard Ivey School of Business; Bachelor of Arts/Science, University of GuelphSelf-made
self-madeMark Leonard & family’s fortune is worth
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74K
troy ounces of gold
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69K
median U.S. household
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45K
median U.S. income
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0.089%
U.S. credit card volume
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0.018%
GDP of the United States
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0.013%
United States debt
Net worth history
Annual ranking
Did you know?
There are few known photos of the elusive billionaire, who has never talked to the press.
Net worth over time
Real-time ranking
Financial assets
TORONTO | CSU-CA
Constellation SoftwareTSX VENTURE | LMN-CA
Lumine GroupTSX VENTURE | TOI-CA
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