![Mark Leonard](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Leonard
Chairman at
Emphasys Computer Solutions, Inc.
Net worth: 805 M $ as of 30/05/2026
Profile
Founder of Constellation Software, Inc., Mark Henri Leonard presently is Chairman & President at this company and Chairman for Emphasys Computer Solutions, Inc. (a subsidiary of Constellation Software, Inc.). He is also on the board of 29 other companies. In the past Mr. Leonard occupied the position of Senior Vice President at Ventures West Capital Ltd. He received an MBA from the University of Western Ontario and an undergraduate degree from the University of Guelph.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 24/02/2026 | 392,932 ( 1.85% ) | 805 M $ | 30/05/2026 |
Latest news about Mark Leonard
Mark Leonard active positions
| Companies | Position | Start |
|---|---|---|
Municipal Software, Inc.
 Municipal Software, Inc. Packaged SoftwareTechnology Services Develops software solutions for the local government marketplace | Director/Board Member | 17/11/2010 |
Common Cents Solutions, Inc.
 Common Cents Solutions, Inc. Packaged SoftwareTechnology Services Develops software applications for healthcare industry | Director/Board Member | 17/11/2010 |
Varsity Logistics, Inc.
 Varsity Logistics, Inc. Packaged SoftwareTechnology Services Provides multi-carrier shipping software services | Director/Board Member | 17/11/2010 |
PG Govern, Inc.
 PG Govern, Inc. Packaged SoftwareTechnology Services Develops software | Director/Board Member | 17/11/2010 |
Knowledgecore Software, Inc. | Director/Board Member | 17/11/2010 |
Gestion PG Govern, Inc. | Director/Board Member | 17/11/2010 |
James A. Harrison Memorial Curriculum Center
 James A. Harrison Memorial Curriculum Center Other Consumer ServicesConsumer Services James A. Harrison Memorial Curriculum Center is a company that provides curriculum resources. The company is based in Covington, LA. | Director/Board Member | 17/11/2010 |
Perseus Operating Group
 Perseus Operating Group Financial ConglomeratesFinance Acquires and invests in software companies | Director/Board Member | 17/11/2010 |
Friedman Corp.
 Friedman Corp. Packaged SoftwareTechnology Services Develops configuration-based enterprise resource planning solutions for mid-market manufacturers and distributors | Director/Board Member | 17/11/2010 |
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Former positions of Mark Leonard
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Training of Mark Leonard
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
30
1st degree connections
42
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 42 |
|---|---|
Ventures West Capital Ltd.
 Ventures West Capital Ltd. Investment ManagersFinance Venture Capital Fund | Finance |
Constellation Software, Inc.
 Constellation Software, Inc. Packaged SoftwareTechnology Services Develops and installs software & provides professional services | Technology Services |
Gennum Corp.
 Gennum Corp. SemiconductorsElectronic Technology Develops and designs semiconductor solutions | Electronic Technology |
Bond International Software Plc
 Bond International Software Plc Packaged SoftwareTechnology Services Provides staffing and recruitment software solutions | Technology Services |
Gladstone Ltd.
 Gladstone Ltd. Internet Software/ServicesTechnology Services Provides and supplies software solutions, services and bookings systems | Technology Services |
Trapeze Software Group, Inc.
 Trapeze Software Group, Inc. Information Technology ServicesTechnology Services Provides transport software solutions | Technology Services |
Trapeze Software ULC
 Trapeze Software ULC Packaged SoftwareTechnology Services Provides software services to passenger transportation industry | Technology Services |
MAJIQ, Inc.
 MAJIQ, Inc. Packaged SoftwareTechnology Services Develops information management software for the pulp and paper industry | Technology Services |
Membertrack Ltd
 Membertrack Ltd Information Technology ServicesTechnology Services Develops management software for the leisure industry | Technology Services |
Torstar Ltd.
 Torstar Ltd. Catalog/Specialty DistributionRetail Trade Provides eCommerce services | Retail Trade |
Friedman Corp.
Friedman Corp. Packaged SoftwareTechnology Services Develops configuration-based enterprise resource planning solutions for mid-market manufacturers and distributors | Technology Services |
In4mation.Net Ltd.
 In4mation.Net Ltd. Advertising/Marketing ServicesCommercial Services Provider of online billboard services | Commercial Services |
Municipal Software Corp.
 Municipal Software Corp. Packaged SoftwareTechnology Services Develops software used by municipal agencies | Technology Services |
Microcache Ltd.
 Microcache Ltd. Information Technology ServicesTechnology Services Provision of computer software and services | Technology Services |
Sympro, Inc.
 Sympro, Inc. Packaged SoftwareTechnology Services Develops software solutions | Technology Services |
Cascade Management Consultants Ltd.
 Cascade Management Consultants Ltd. Packaged SoftwareTechnology Services Designs and installs management information based software systems | Technology Services |
Gary Jonas Computing Ltd.
 Gary Jonas Computing Ltd. Financial ConglomeratesFinance Acquires, manages and builds industry-specific software companies | Finance |
University of Guelph
 University of Guelph Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Western Ontario
 University of Western Ontario Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cybermation, Inc.
 Cybermation, Inc. Packaged SoftwareTechnology Services Develops enterprise job scheduling and software change management solutions | Technology Services |
Systems & Software, Inc.
 Systems & Software, Inc. Packaged SoftwareTechnology Services Develops software solutions | Technology Services |
N. Harris Computer Corp.
 N. Harris Computer Corp. Information Technology ServicesTechnology Services Develops software platforms | Technology Services |
Municipal Software, Inc.
Municipal Software, Inc. Packaged SoftwareTechnology Services Develops software solutions for the local government marketplace | Technology Services |
Valuenetics A/S
 Valuenetics A/S Information Technology ServicesTechnology Services Provides leisure management systems and software solutions | Technology Services |
PG Govern, Inc.
PG Govern, Inc. Packaged SoftwareTechnology Services Develops software | Technology Services |
G.1440 Holdings, Inc.
 G.1440 Holdings, Inc. Packaged SoftwareTechnology Services Provides complete, end-to-end technology solutions such as software development, design and IT consulting | Technology Services |
Perseus Operating Group
Perseus Operating Group Financial ConglomeratesFinance Acquires and invests in software companies | Finance |
Varsity Logistics, Inc.
Varsity Logistics, Inc. Packaged SoftwareTechnology Services Provides multi-carrier shipping software services | Technology Services |
Constellation Software (U.S.A.), Inc.
 Constellation Software (U.S.A.), Inc. Packaged SoftwareTechnology Services Develops software | Technology Services |
Schoolhouse Software, Inc.
 Schoolhouse Software, Inc. Packaged SoftwareTechnology Services Develops software products | Technology Services |
Clubfit Corp.
 Clubfit Corp. Other Consumer ServicesConsumer Services Operates fitness centers | Consumer Services |
Common Cents Solutions, Inc.
Common Cents Solutions, Inc. Packaged SoftwareTechnology Services Develops software applications for healthcare industry | Technology Services |
Gladstone Board of Education (Michigan)
 Gladstone Board of Education (Michigan) Other Consumer ServicesConsumer Services Local school board | Consumer Services |
Global Technology Systems, Inc.
 Global Technology Systems, Inc. Electrical ProductsProducer Manufacturing Manufactures battery packs, chargers and power management solutions for portable devices | Producer Manufacturing |
Emphasys Computer Solutions, Inc.
 Emphasys Computer Solutions, Inc. Packaged SoftwareTechnology Services Provides prepackaged software | Technology Services |
James A. Harrison Memorial Curriculum Center
James A. Harrison Memorial Curriculum Center Other Consumer ServicesConsumer Services James A. Harrison Memorial Curriculum Center is a company that provides curriculum resources. The company is based in Covington, LA. | Consumer Services |
Gladstone MRM Ltd.
 Gladstone MRM Ltd. Packaged SoftwareTechnology Services Develops leisure management software | Technology Services |
Médisolutions, Inc.
 Médisolutions, Inc. Packaged SoftwareTechnology Services Provides software applications and implementation and consulting services | Technology Services |
Gestion PG Govern, Inc. | |
Knowledgecore Software, Inc. | |
Topicus.com, Inc.
 Topicus.com, Inc. Packaged SoftwareTechnology Services Develops vertical market software | Technology Services |
Topicus.com BV
 Topicus.com BV Packaged SoftwareTechnology Services Builds and manages vertical market software platforms | Technology Services |
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