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

Yoh, A Day & Zimmermann Company has employees across 13 departments including Entrepreneurship, Engineering, Human Resources, Information Technology, Finance.

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

The largest department at Yoh, A Day & Zimmermann Company is Entrepreneurship with 9 employees.

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

Yoh, A Day & Zimmermann Company has employees across 7 continents and 36 countries including Cameroon, Nigeria, Kenya, South Africa, India.

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
1.7K
Canada
9

Europe
60

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

Asia
51

Philippines
19
India
10
Bangladesh
8
Afghanistan
3
Thailand
2
Turkey
1
United Arab Emirates
1
Indonesia
1
Malaysia
1
Iran
1
Israel
1
Viet Nam
1
Timor-leste
1
Japan
1

Oceania
10

New Zealand
4
Australia
4
Papua New Guinea
2

Africa
4

Cameroon
1
Nigeria
1
Kenya
1
South Africa
1

South America
1

Colombia
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
M. S.
Vice President - Client Solutions & Delivery
Mobile Phone
Email
T. R.
Vice President Human Resources
Mobile Phone
Email
C. W.
President
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

Contact profiles from Yoh, A Day & Zimmermann Company

Name

Title

Contact

Location

Last Update

J. H.
Vice President Msp Rpo Enterprise Solutions
Mobile Phone
Email
Oct 16, 2024
J. H.
Vice President Operations
Mobile Phone
Email
Oct 16, 2024
J. C.
Vice-President
Mobile Phone
Email
Oct 17, 2024
K. D.
Vice President
Mobile Phone
Email
Nov 13, 2024
L. F.
Senior Vice President Managed Services
Mobile Phone
Email
Oct 21, 2024
M. S.
Vice President - Client Solutions & Delivery
Mobile Phone
Email
Oct 21, 2024
M. P.
Head Of Training
Mobile Phone
Email
Apr 01, 2025
M. L.
Executive Assistant To Senior Vice President, Enterprise Solutions
Mobile Phone
Email
Oct 18, 2024
T. R.
Vice President Human Resources
Mobile Phone
Email
Apr 22, 2024
J. H.
Clinical Research Practice Director
Mobile Phone
Email
Jun 30, 2026

Frequently Asked Questions

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

Yoh, A Day & Zimmermann Company was founded in 1940 operates in the Staffing and Recruiting industry; you can contact the 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 . 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 2K employees as of July 2026. These team members are located across 6 continents, including North AmericaEuropeAsia.

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

As of July 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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