What departments does R.J. O'Brien have?

R.J. O'Brien has employees across 7 departments including Operations, Sales, Human Resources, Finance, Legal.

What is the largest department at R.J. O'Brien?

The largest department at R.J. O'Brien is Sales with 4 employees.

Where are R.J. O'Brien employees located globally?

R.J. O'Brien has employees across 4 continents and 12 countries including United Arab Emirates, India, Malaysia, Singapore, Pakistan.

How has R.J. O'Brien's team size changed over time?

R.J. O'Brien's team has decreased from approximately 697 to 400 employees based on available data.

R.J. O'Brien Employee Directory

Financial ServicesIllinois, United States501-1000 Employees

R.J. O'Brien & Associates LLC is a financial services company that operates as a futures brokerage and clearing firm, headquartered at 222 South Riverside Plaza Suite 1200, Chicago, Illinois 60606, and it has between 501 and 1,000 employees. It is a futures commission merchant (FCM) and is described as the oldest and largest independent futures brokerage and clearing firm in the United States, with a boutique profile. The firm is a full clearing member of CME Group and all its markets, Intercontinental Exchange, NYSE Liffe U.S., and the CBOE Futures Exchange, providing 24-hour execution and clearing on futures exchanges worldwide. It serves a global network of introducing brokers and clients, including more than 400 introducing brokers and many large financial, industrial, and agricultural institutions, and it clears more than 100,000 client accounts while not engaging in proprietary trading. In 2025, StoneX Group announced an agreement to acquire R.J. O'Brien Limited, and the company maintains a website at https://rjobrien.com.

R.J. O'Brien Global Highlights

North America
342

United States Of America
339
Canada
3

Europe
87

United Kingdom Of Great Britain And Northern Ireland
80
France
5
Croatia
1
Poland
1

Asia
43

United Arab Emirates
25
Singapore
11
India
5
Malaysia
1
Pakistan
1

R.J. O'Brien's Leadership

G. L.
Chief Operating Officer Emea At R. J. O'brien
Mobile Phone
Email
N. R.
Chief Operating Officer, London
Mobile Phone
Email
C. M.
Vice President Fixed Income Group
Mobile Phone
Email
C. C.
Vice President Fixed Income
Mobile Phone
Email
J. W.
Vp Otc Structured Products
Mobile Phone
Email
M. F.
Vp Energy Futures
Mobile Phone
Email
C. M.
Vp Of Biofuels
Mobile Phone
Email
N. T.
Vice President - Risk Management
Mobile Phone
Email

R.J. O'Brien Employee Metrics

100%

50%

0%

2026

2025

Analytics
Engineering
Finance
Sales
Accounting
Other
Operations
Banking
Legal
Information Technology
Business

Contact profiles from R.J. O'Brien

Name

Title

Contact Info

Location

Last Update

G. L.
Chief Operating Officer Emea At R. J. O'brien
Mobile Phone
Email
United KingdomEngland
May 18, 2026
N. R.
Chief Operating Officer, London
Mobile Phone
Email
United KingdomEngland
May 18, 2026
R. O.
Owner
Mobile Phone
Email
United StatesKentucky
Apr 24, 2025
T. H.
Senior Vice President
Mobile Phone
Email
United StatesNew York
May 18, 2026
J. J.
Senior Vice President
Mobile Phone
Email
FranceParis
May 18, 2026
A. W.
Managing Director, Emea Head Sales & Global Head Fixed Income
Mobile Phone
Email
United Arab EmiratesDubai
May 18, 2026
C. M.
Vice President Fixed Income Group
Mobile Phone
Email
United States
May 31, 2026
C. B.
Senior Vice President Fixed Income
Mobile Phone
Email
United Arab Emirates
Apr 29, 2026
E. S.
Vp, Sales & Marketing, Hrvyst
Mobile Phone
Email
United StatesKansas
May 18, 2026
D. B.
Compliance Director And Head Of Financial Crime
Mobile Phone
Email
United KingdomEngland
May 12, 2026

Frequently Asked Questions

What is R.J. O'Brien known for?

R.J. O'Brien was founded in 1914 operates in the Financial Services industry. The company's main headquarters is located in 222 South Riverside Plaza Suite 1200 Chicago, Illinois 60606 United States; you can contact the main corporate office by phone at

+1-312-373-****

. Explore R.J. O'Brien's company overview page for more information.

What is R.J. O'Brien's most common email format?

R.J. O'Brien employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more R.J. O'Brien email formats with LeadIQ.

How many employees does R.J. O'Brien have currently?

R.J. O'Brien has approximately 507 employees as of May 2026. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are R.J. O'Brien's key employees and leadership?

As of May 2026, R.J. O'Brien's key employees include:

Chief Operating Officer Emea At R. J. O'brien: G. L.
Chief Operating Officer, London: N. R.
Vice President Fixed Income Group: C. M.
Vice President Fixed Income: C. C.
Vp Otc Structured Products: J. W.

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

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

R.J. O'Brien Employee Directory

Find R.J. O'Brien employees' phone numbers or email addresses

Name search is limited — try advanced search instead