What departments does Greencastle Consulting have?

Greencastle Consulting has employees across 2 departments including Human Resources, Consultant.

What is the largest department at Greencastle Consulting?

The largest department at Greencastle Consulting is Consultant with 15 employees.

Where are Greencastle Consulting employees located globally?

Greencastle Consulting has employees across 2 continents and 2 countries including United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Greencastle Consulting's team size changed over time?

Greencastle Consulting's team has decreased from approximately 93 to 92 employees based on available data.

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Greencastle Consulting Employee Directory

Business Consulting and ServicesPennsylvania, United States51-200 Employees

Greencastle Consulting is a mid-sized firm in the business consulting and services sector, based in Malvern, Pennsylvania. Founded in 1997 by veterans, it remains 100% veteran-owned and operated. The company focuses on strategy execution, operations consulting, and data analytics, offering tailored solutions to address specific challenges and support durable improvements across the organization. Its work emphasizes cross-functional collaboration and a holistic view of culture, goals, and unique constraints to uncover opportunities and drive measurable results. The firm has earned recognition such as placement on the Inc. 5000 list and awards recognizing its veteran-owned status and workplace excellence. In January 2026, leadership changes named Eric Diamond as CEO and Adam Holstein as President.

Greencastle Consulting Global Highlights

North America
162

United States Of America
162

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

Greencastle Consulting's Leadership

P. C.
Chief Executive Officer
Mobile Phone
Email
H. S.
President
Mobile Phone
Email
J. S.
Vice President
Mobile Phone
Email
A. M.
Senior Manager, Hr & Admin
Mobile Phone
Email
A. D.
Senior Management Consultant
Mobile Phone
Email
M. S.
Strategic Advisor, Consultant, & Delivery Lead
Mobile Phone
Email
M. H.
Dod Skillbridge Fellow
Mobile Phone
Email
L. G.
Consultant
Mobile Phone
Email

Greencastle Consulting Employee Metrics

100%

50%

2026

2025

Consultant
Analytics
Business
Community & Social Services
Human Resources
Other
Education

Contact profiles from Greencastle Consulting

Name

Title

Contact

Location

Last Update

S. L. M.
Associate Management Consultant
Mobile Phone
Email
Oct 17, 2024
S. D.
Consultant
Mobile Phone
Email
Oct 22, 2024
J. B.
Mobile Phone
Email
Jul 28, 2023

Frequently Asked Questions

What is Greencastle Consulting known for?

Greencastle Consulting was founded in 1997 and operates in the Business Consulting and Services industry. You can contact Greencastle Consulting's main corporate office by phone at

+1-610-640-****

. Explore Greencastle Consulting's company overview page for more information.

What is Greencastle Consulting's most common email format?

Greencastle Consulting employees' email format typically follows the pattern of LastF@greencastleconsulting.com. Trying to find reliable and up-to-date employee contact data? Find more Greencastle Consulting email formats with LeadIQ.

How many employees does Greencastle Consulting have currently?

Greencastle Consulting has approximately 128 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are Greencastle Consulting's key employees and leadership?

As of August 2026, Greencastle Consulting's key employees include:

Chief Executive Officer: P. C.
President: H. S.
Vice President: J. S.
Senior Manager, Hr & Admin: A. M.
Senior Management Consultant: A. D.

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Greencastle Consulting Employee Directory

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