What departments does Yoh, A Day & Zimmermann Company have?

Yoh, A Day & Zimmermann Company has employees across 13 departments including Engineering, Information Technology, Finance, Administrative, Operations.

What is the largest department at Yoh, A Day & Zimmermann Company?

The largest department at Yoh, A Day & Zimmermann Company is Human Resources with 3 employees.

Where are Yoh, A Day & Zimmermann Company employees located globally?

Yoh, A Day & Zimmermann Company has employees across 7 continents and 37 countries including Ghana, Angola, Nigeria, Tanzania, South Africa.

How has Yoh, A Day & Zimmermann Company's team size changed over time?

Yoh, A Day & Zimmermann Company's team has decreased from approximately 2.5K to 1.1K employees based on available data.

Yoh, A Day & Zimmermann Company Employee Directory

Staffing and RecruitingPennsylvania, United States1001-5000 Employees

Yoh, A Day & Zimmermann Company, is a staffing and recruiting firm headquartered at 1500 Spring Garden Street in Philadelphia, Pennsylvania, with an employee base estimated between 1,001 and 5,000. It operates as part of the Day & Zimmermann family and provides consulting, staffing, and enterprise workforce solutions to help clients move projects and operations forward. The company emphasizes STEM-centered expertise and aims to align delivery with client needs to improve business operations and outcomes. It has introduced workforce innovations such as the DZConneX total talent solution and the YohFlex flexible-work model. Revenue is reported in the range of $1B to $10B.

Yoh, A Day & Zimmermann Company Global Highlights

North America
1.7K

United States Of America
1.6K
Canada
9

Europe
62

United Kingdom Of Great Britain And Northern Ireland
45
Germany
3
Italy
3
Spain
2
Netherlands
2
Greece
1
France
1
Slovakia
1
Norway
1
Albania
1
Ireland
1
Sweden
1

Asia
48

India
15
Philippines
15
Bangladesh
5
Thailand
3
Turkey
2
Indonesia
2
Kuwait
1
Afghanistan
1
United Arab Emirates
1
Japan
1
Viet Nam
1
Iran
1

Oceania
11

Australia
5
New Zealand
4
Papua New Guinea
2

Africa
8

Nigeria
3
Ghana
1
Angola
1
Tanzania
1
South Africa
1
Egypt
1

South America
1

Venezuela
1

Yoh, A Day & Zimmermann Company's Leadership

B. W.
Chief Executive Officer
Mobile Phone
Email
H. Z.
Chief Technology Officer
Mobile Phone
Email
S. S.
Vice President Chief Financial Officer
Mobile Phone
Email
J. H.
Vice President Msp Rpo Enterprise Solutions
Mobile Phone
Email
J. H.
Vice President Operations
Mobile Phone
Email
J. R.
Vice President Human Resources
Mobile Phone
Email
M. S.
Vice President - Client Solutions & Delivery
Mobile Phone
Email
T. R.
Vice President Human Resources
Mobile Phone
Email

Yoh, A Day & Zimmermann Company Employee Metrics

100%

50%

0%

2026

2025

Analytics
Program & Project Management
Recruiting
Healthcare Services
Engineering
Other
Human Resources
Sales
Biotechnology
Information Technology

Contact profiles from Yoh, A Day & Zimmermann Company

Name

Title

Contact

Location

Last Update

P. D.
Owner
Mobile Phone
Email
Oct 18, 2024
R. W.
Owner
Mobile Phone
Email
Oct 23, 2024
R. K.
President
Mobile Phone
Email
Oct 17, 2024
S. V.
Senior Vice President And Cio
Mobile Phone
Email
Oct 09, 2026
S. C.
Managing Director - West Region - Technology & Specialty Practices
Mobile Phone
Email
Oct 17, 2024
S. S.
Vice President Chief Financial Officer
Mobile Phone
Email
Oct 09, 2026
W. Y.
Chairman
Mobile Phone
Email
Oct 09, 2026
B. G.
Contractor And Administrative Assistant To Heor Vice President And Executive Director, Boehringer Ingelheim Inc
Mobile Phone
Email
Oct 22, 2024
B. S.
Chief
Mobile Phone
Email
Oct 16, 2024
E. M.
Executive Vice President, Yoh
Mobile Phone
Email
Oct 09, 2026

Frequently Asked Questions

What is Yoh, A Day & Zimmermann Company known for?

Yoh, A Day & Zimmermann Company was founded in 1940 and operates in the Staffing and Recruiting industry. You can contact Yoh, A Day & Zimmermann Company's main corporate office by phone at

+1-215-656-****

. Explore Yoh, A Day & Zimmermann Company's company overview page for more information.

What is Yoh, A Day & Zimmermann Company's most common email format?

Yoh, A Day & Zimmermann Company employees' email format typically follows the pattern of First.Last@yoh.com. Trying to find reliable and up-to-date employee contact data? Find more Yoh, A Day & Zimmermann Company email formats with LeadIQ.

How many employees does Yoh, A Day & Zimmermann Company have currently?

Yoh, A Day & Zimmermann Company has approximately 2.1K employees as of October 2026. These team members are located across 6 continents, including North America, Europe and Asia.

Who are Yoh, A Day & Zimmermann Company's key employees and leadership?

As of October 2026, Yoh, A Day & Zimmermann Company's key employees include:

Chief Executive Officer: B. W.
Chief Technology Officer: H. Z.
Vice President Chief Financial Officer: S. S.
Vice President Msp Rpo Enterprise Solutions: J. H.
Vice President Operations: J. H.

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Yoh, A Day & Zimmermann Company Employee Directory

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