Mark Leonard & family (#1471)
- $ 3 B
- Software
- Canada
- M
- 70 Years
Rest in Peace Ask Jeeves, every search comes to an end
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Median sales surge 61% in a Queens neighborhood that’s now the fifth priciest in NYC
Greg Brockman says his stake in OpenAI is worth nearly $30 billion
TeraWulf Announces Participation in Upcoming Investor and Industry Conferences
About Me
Mark Leonard founded Canadian tech company Constellation Software 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. He was Constellation's president until stepping down in October 2025. He remains on the board. After getting an MBA from the University of Western Ontario, Leonard worked in venture capital for 11 years.
Achievements
Career Highlights
A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Mark Leonard & family’s rise and global influence.
Wealth Growth
Net Worth Growth Over Time
Tracking Mark Leonard & family’s net worth journey over the years, highlighting key growth phases and financial milestones.
Current Net Worth: $2.9B
(May 4, 2026)
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