What departments does Aon Hewitt have?

Aon Hewitt has employees across 4 departments including Human Resources, Information Technology, Operations, Administrative.

What is the largest department at Aon Hewitt?

The largest department at Aon Hewitt is Human Resources with 1 employees.

Where are Aon Hewitt employees located globally?

Aon Hewitt has employees across 7 continents and 60 countries including South Africa, Kenya, Mauritius, Benin, Zimbabwe.

How has Aon Hewitt's team size changed over time?

Aon Hewitt's team has decreased from approximately 17K to 949 employees based on available data.

Aon Hewitt Employee Directory

Q: Who are Aon Hewitt's key employees and leadership?

Aon Hewitt's key employees include: Executive Assistant To Chief Executive Officer: A. S., Chief Executive Officer: B. P., Chief Executive Officer: E. M., Chief Technical Officer - Aon Isb: J. B., Chief Operating Officer Â Talent, Rewards, Performance: J. L..

Human Resources ServicesIllinois, United States10001+ Employees

Aon Hewitt is a human resources services company based in Lincolnshire, Illinois, United States. It provides advisory, design, and execution services for talent, retirement, and health solutions. The company reports more than 10,001 employees, and its description notes more than 30,000 professionals across six continents serving more than 20,000 clients worldwide. Its work centers on helping clients cultivate talent to improve organizational and personal performance and growth, navigate retirement risk, and address health-related needs. More information is available on its website at https://aonhewitt.com.

Aon Hewitt Global Highlights

North America
3.7K

United States Of America
3.4K
Canada
225
Mexico
33
Honduras
1

Asia
2.3K

India
2.1K
China
98
Singapore
18
Malaysia
14
Philippines
9
United Arab Emirates
7
Thailand
7
Turkey
3
Japan
2
Indonesia
2
Israel
1
Kuwait
1
Iran
1
Pakistan
1
Lao People's Democratic Republic
1

Europe
453

United Kingdom Of Great Britain And Northern Ireland
251
Netherlands
47
Poland
43
Ireland
20
France
19
Switzerland
17
Germany
12
Belgium
8
Sweden
8
Spain
7
Hungary
6
Denmark
5
Italy
2
Austria
2
Greece
2
Bulgaria
2
Iceland
1
Ukraine
1

South America
102

Brazil
80
Argentina
13
Colombia
2
Chile
2
Venezuela
1
Peru
1
Ecuador
1
Bolivia
1
Guyana
1

Africa
36

South Africa
26
Kenya
6
Mauritius
2
Benin
1
Zimbabwe
1

Oceania
36

Australia
29
New Zealand
4
Papua New Guinea
2
Fiji
1

Aon Hewitt's Leadership

B. P.
Chief Executive Officer
Mobile Phone
Email
E. M.
Chief Executive Officer
Mobile Phone
Email
J. B.
Chief Technical Officer - Aon Isb
Mobile Phone
Email
J. L.
Chief Operating Officer Â Talent, Rewards, Performance
Mobile Phone
Email
A. S.
Executive Assistant To Chief Executive Officer
Mobile Phone
Email
R. W.
Partner/U.S. Engagement And Culture Consulting Leader
Mobile Phone
Email
J. M.
Senior Vice President And Partner
Mobile Phone
Email
P. H.
Partner
Mobile Phone
Email

Aon Hewitt Employee Metrics

100%

50%

0%

2026

2025

Analytics
Human Resources
Consultant
Engineering
Operations
Other
Customer Success
Finance
Banking
Support
Administrative

Contact profiles from Aon Hewitt

Name

Title

Contact Info

Location

Last Update

H. L.
Partner
Mobile Phone
Email
UNITED STATES
Aug 04, 2023
J. B.
Chief Technical Officer - Aon Isb
Mobile Phone
Email
United StatesVirginia
J. H.
Owner
Mobile Phone
Email
United StatesAlaska
Aug 06, 2024
J. H.
Owner
Mobile Phone
Email
Oct 23, 2024
J. L.
Chief Operating Officer Â Talent, Rewards, Performance
Mobile Phone
Email
United StatesWisconsin
Jul 07, 2024
K. M.
Owner
Mobile Phone
Email
IndiaDelhi
Feb 06, 2024
L. B.
Associate Partner
Mobile Phone
Email
United StatesMaryland
Oct 18, 2024
L. A.
Owner
Mobile Phone
Email
Oct 17, 2024
L. M.
Senior Partner And Regional Market Leader
Mobile Phone
Email
Mar 31, 2026
L. R.
National Practice Leader Retirement Administration, Partner
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is Aon Hewitt known for?

Aon Hewitt operates in the Human Resources Services industry. The company's main headquarters is located in 100 Half Day Road Lincolnshire, Illinois 60069 United States; you can contact the main corporate office by phone at

+1-312-381-****

. Explore Aon Hewitt's company overview page for more information.

What is Aon Hewitt's most common email format?

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

How many employees does Aon Hewitt have currently?

Aon Hewitt has approximately 29K employees as of December 2025. These team members are located across 6 continents, including North AmericaAsiaEurope.

Who are Aon Hewitt's key employees and leadership?

As of December 2025, Aon Hewitt's key employees include:

Chief Executive Officer: B. P.
Chief Executive Officer: E. M.
Chief Technical Officer - Aon Isb: J. B.
Chief Operating Officer Â Talent, Rewards, Performance: J. L.
Executive Assistant To Chief Executive Officer: A. S.

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Aon Hewitt Employee Directory

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