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Group One Trading Employee Directory

Financial ServicesIllinois, United States51-200 Employees

Group One Trading operates as a proprietary trading firm that concentrates on market-making in US equity options. The company leverages risk management and software development to support its trading activities. It is based in Chicago, Illinois, and describes itself as a midsize firm that prioritizes employee growth and recognizes performance over hours worked.

In providing liquidity in the US equity options market, Group One aims to enable smoother price discovery for market participants. The firm operates within the financial services industry and emphasizes developing its people alongside its trading operations.

Find Group One Trading employees' phone numbers or email addresses

Group One Trading Global Highlights

Location
Employees

North America
231

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  • United States Of America
    228
  • Canada
    3

Europe
7

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  • Poland
    3
  • Azerbaijan
    2
  • Germany
    1
  • United Kingdom Of Great Britain And Northern Ireland
    1

Asia
5

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  • India
    2
  • Philippines
    1
  • Turkey
    1
  • Thailand
    1

Africa
4

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  • Malawi
    1
  • South Africa
    1
  • Botswana
    1
  • Egypt
    1

Group One Trading's Leadership

  • Stylized image of a person
    A. S.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    B. S.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    G. S.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    G. W.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. H.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. B.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    S. L.
    Chief Executive Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    A. P.
    Chief Operating Officer
    Phone icon
    Mobile Phone

Group One Trading Employee Metrics

100%
50%
0%
2026
2025
  • Banking
  • Finance
  • Entrepreneurship
  • Engineering
  • Human Resources
  • Other

Contact profiles from Group One Trading

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    P. P.
    Senior Consultant
    Phone icon
    Mobile Phone
    Oct 22, 2024
  • Stylized image of a person
    R. B.
    Principal
    Phone icon
    Mobile Phone
    Oct 22, 2024
  • Stylized image of a person
    G. B.
    Software Engineer
    Phone icon
    Mobile Phone
    Jun 29, 2026
  • Stylized image of a person
    O. F.
    Options Trader
    Phone icon
    Mobile Phone
    Jun 24, 2026
  • Stylized image of a person
    C. E.
    Warehouse Worker
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    C. G.
    Trading Analyst
    Phone icon
    Mobile Phone
    Aug 04, 2025
  • Stylized image of a person
    D. T.
    Executive
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    D. M.
    Agent Manufacturier
    Phone icon
    Mobile Phone
    Canada
    Feb 04, 2024
  • Stylized image of a person
    G. P.
    Trader Trainee Intern
    Phone icon
    Mobile Phone
    Oct 21, 2024
  • Stylized image of a person
    G. P.
    Company Driver
    Phone icon
    Mobile Phone
    Oct 21, 2024

Frequently Asked Questions

What is Group One Trading known for?

Minus sign iconPlus sign iconGroup One Trading was founded in 1989 operates in the Financial Services industry; you can contact the main corporate office by phone at
+1-312-294-****
. Explore Group One Trading's company overview page for more information.

What is Group One Trading's most common email format?

Minus sign iconPlus sign iconGroup One Trading employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Group One Trading email formats with LeadIQ.

How many employees does Group One Trading have currently?

Minus sign iconPlus sign iconGroup One Trading has approximately 135 employees as of July 2026. These team members are located across 4 continents, including North AmericaEuropeAsia.

Who are Group One Trading's key employees and leadership?

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As of July 2026, Group One Trading's key employees include:

  • Chief Executive Officer: A. S.
  • Chief Executive Officer: B. S.
  • Chief Executive Officer: G. S.
  • Chief Executive Officer: G. W.
  • Chief Executive Officer: J. H.

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