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Onex Employee Directory

Investment ManagementOntario, Canada501-1000 Employees

Onex is an investment management firm that allocates and oversees capital on behalf of its shareholders and a global client base. Founded in 1984, it has a long history of delivering value to its investors. It reports approximately $59.2 billion in assets under management, including $8.7 billion of its own investing capital. The firm maintains offices in Toronto, New York, New Jersey, and London and is listed on the Toronto Stock Exchange under the symbol ONEX.

Its investor base includes public and private pension plans, sovereign wealth funds, insurance companies, family offices, and high-net-worth individuals. Operating in the investment management industry, Onex is based in Toronto.

Find Onex employees' phone numbers or email addresses

Onex Global Highlights

Location
Employees

North America
432

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  • Canada
    314
  • United States Of America
    118

Europe
42

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  • United Kingdom Of Great Britain And Northern Ireland
    25
  • Switzerland
    6
  • Armenia
    2
  • Spain
    2
  • Georgia
    1
  • Greece
    1
  • Germany
    1
  • Luxembourg
    1
  • Portugal
    1
  • Lithuania
    1
  • France
    1

Asia
25

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  • India
    9
  • Pakistan
    5
  • China
    3
  • United Arab Emirates
    2
  • Turkey
    1
  • Israel
    1
  • Sri Lanka
    1
  • Nepal
    1
  • Russian Federation
    1
  • Thailand
    1

Africa
18

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  • Algeria
    10
  • South Africa
    3
  • Egypt
    3
  • Nigeria
    1
  • Ethiopia
    1

Oceania
6

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  • Australia
    6

South America
6

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  • Uruguay
    2
  • Argentina
    2
  • Paraguay
    1
  • Brazil
    1

Onex's Leadership

  • Ceo, Schwartz/Reisman Group at Onex
    L. S.
    Ceo, Schwartz/Reisman Group
  • Chief Human Resources Officer at Onex
    H. H.
    Chief Human Resources Officer
  • Vice President Finance at Onex
    M. N.
    Vice President Finance
  • Vice President Internal Audit at Onex
    A. T.
    Vice President Internal Audit
  • Vp Tax, Schwartz/Reisman Group at Onex
    S. W.
    Vp Tax, Schwartz/Reisman Group
  • Vp - Enterprise Technology at Onex
    C. W.
    Vp - Enterprise Technology
  • Vice President - Taxation at Onex
    R. A.
    Vice President - Taxation
  • Vice President Client Wealth Management at Onex
    E. B.
    Vice President Client Wealth Management

Onex Employee Metrics

100%
50%
0%
2026
2025
  • Finance
  • Analytics
  • Engineering
  • Product Management
  • Information Technology
  • Other
  • Banking
  • Community & Social Services
  • Business

Contact profiles from Onex

Name
Title
Contact
Location
Last Update
  • Director, Finance at Onex
    A. T.
    Director, Finance
    Canada, Ontario
    Jul 21, 2026
  • Director, Enterprise Technology at Onex
    K. W.
    Director, Enterprise Technology
    Canada, Ontario
    Aug 27, 2026
  • Independent Board Director at Onex
    N. M.
    Independent Board Director
    United Arab Emirates, Dubai
    Jul 22, 2026
  • Managing Director - Shareholder Relations And Communications at Onex
    J. H.
    Managing Director - Shareholder Relations And Communications
    Canada, Ontario
    Jul 21, 2026
  • Director, Finance at Onex
    T. L.
    Director, Finance
    Canada, Ontario
    Jul 21, 2026
  • Director Of Cybersecurity at Onex
    W. B.
    Director Of Cybersecurity
    Canada, Ontario
    Aug 13, 2026
  • Managing Director, Finance at Onex
    M. M.
    Managing Director, Finance
    Canada, Ontario
    Jul 21, 2026
  • Director, Finance at Onex
    C. X. L.
    Director, Finance
    Canada
    Jul 21, 2026
  • Managing Director at Onex
    A. F.
    Managing Director
    United Kingdom, England
    Aug 30, 2026
  • Managing Director at Onex
    C. G.
    Managing Director
    United Kingdom, England
    Jul 21, 2026

Frequently Asked Questions

What is Onex known for?

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Onex was founded in 1984 and operates in the Investment Management industry. You can contact Onex's main corporate office by phone at . Explore Onex's company overview page for more information.

What is Onex's most common email format?

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Onex employees' email format typically follows the pattern of FLast@onex.com. Trying to find reliable and up-to-date employee contact data? Find more Onex email formats with LeadIQ.

How many employees does Onex have currently?

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Onex has approximately 819 employees as of August 2026. These team members are located across 6 continents, including North America, Europe and Asia.

Who are Onex's key employees and leadership?

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As of August 2026, Onex's key employees include:

  • Ceo, Schwartz/Reisman Group: L. S.
  • Chief Human Resources Officer: H. H.
  • Vice President Finance: M. N.
  • Vice President Internal Audit: A. T.
  • Vp Tax, Schwartz/Reisman Group: S. W.

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