OSA logo

OSA Employee Directory

Events ServicesIllinois, United States51-200 Employees

OSA has about 185 employees across 3 continents, most of them in North America. By country, the largest groups are United States Of America (93%) and United Kingdom Of Great Britain And Northern Ireland (3%). Program & Project Management and Entertainment make up over half of the profiles with a known department. OSA's workforce spans 10 departments. OSA's workforce fell 15% between July 2025 and July 2026.

Find OSA employees' phone numbers or email addresses

OSA Global Highlights

Location
Employees

North America
105

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  • United States Of America
    105

Asia
3

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  • Saudi Arabia
    1
  • Jordan
    1
  • India
    1

Europe
3

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  • United Kingdom Of Great Britain And Northern Ireland
    3

Africa
1

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  • Egypt
    1

South America
1

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  • Argentina
    1

North America accounts for 93% of OSA's workforce, followed by Asia (3%) and Europe (3%).

OSA's Leadership

  • Chief Executive Officer Partner at OSA
    M. W.
    Chief Executive Officer Partner
  • Chief Executive Officer at OSA
    S. L.
    Chief Executive Officer
  • Cmo at OSA
    J. W.
    Cmo
  • Founding Partner at OSA
    C. J.
    Founding Partner
  • Board Of Directors And Cmo at OSA
    J. L.
    Board Of Directors And Cmo
  • Hong Kong Osha Group Board Of Directors And at OSA
    J. R.
    Hong Kong Osha Group Board Of Directors And
  • Group Board Of Directors And Cmo at OSA
    L. L.
    Group Board Of Directors And Cmo
  • Audio Designer & Mix Engineer/Consultant/Tech Manager/Owner at OSA
    P. W.
    Audio Designer & Mix Engineer/Consultant/Tech Manager/Owner

OSA Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Program & Project Management
  • Sales
  • Marketing
  • Accounting
  • Other
  • Operations
  • Arts & Design
  • Administrative
  • Finance
  • Entertainment
  • Film & Video
  • Business
  • Community & Social Services

Program & Project Management is the largest department at 34% of profiles with a known department, up from 3% in July 2025, followed by Entertainment (18%, up from 3%) and Film & Video (18%, up from 3%).

Contact profiles from OSA

Name
Title
Contact
Location
Last Update
  • Director; Digital Properties at OSA
    M. W.
    Director; Digital Properties
    Oct 23, 2024
  • Human Resources Manager at OSA
    R. V.
    Human Resources Manager
    Oct 21, 2024
  • Real Estate Rental Manager at OSA
    E. S.
    Real Estate Rental Manager
    Sep 11, 2026
  • Self Employed at OSA
    夏.
    Self Employed
    Oct 21, 2025
  • Purchasing at OSA
    C. L.
    Purchasing
    Oct 17, 2024
  • Certified Physician Assistant at OSA
    D. M.
    Certified Physician Assistant
    Oct 23, 2024
  • Warehouse at OSA
    J. R.
    Warehouse
    Oct 17, 2024
  • Doctor Of Dental Medicine at OSA
    L. W.
    Doctor Of Dental Medicine
    Oct 24, 2024
  • Self Employed at OSA
    家. 夏.
    Self Employed
    Oct 23, 2024

Frequently Asked Questions

What are the largest departments at OSA?

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Program & Project Management is the largest department at 34% of profiles with a known department, up from 3% in July 2025, followed by Entertainment (18%, up from 3%) and Film & Video (18%, up from 3%). OSA's workforce spans 10 departments.

Where are OSA's employees located?

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OSA has about 185 employees across 3 continents, most of them in North America. North America accounts for 93% of OSA's workforce, followed by Asia (3%) and Europe (3%). By country, the largest groups are United States Of America (93%) and United Kingdom Of Great Britain And Northern Ireland (3%).

How has OSA's workforce changed over the past year?

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OSA's workforce fell 15% between July 2025 and July 2026. Program & Project Management's share of profiles with a known department rose from 3% to 34%.

How many employees does OSA have currently?

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OSA has approximately 185 employees as of October 2026. These team members are located across 5 continents, including North America, Asia and Europe.

Who are OSA's key employees and leadership?

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As of October 2026, OSA's key employees include:

  • Chief Executive Officer Partner: M. W.
  • Chief Executive Officer: S. L.
  • Cmo: J. W.
  • Founding Partner: C. J.
  • Board Of Directors And Cmo: J. L.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is OSA's most common email format?

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

What is OSA known for?

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OSA was founded in 1985 and operates in the Events Services industry. You can contact OSA's main corporate office by phone at . Explore OSA's company overview page for more information.

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