What departments does Developmental Disabilities Institute (DDI) have?

Developmental Disabilities Institute (DDI) has employees across 12 departments including Human Resources, Finance, Engineering, Operations, Military & Protective Services.

What is the largest department at Developmental Disabilities Institute (DDI)?

The largest department at Developmental Disabilities Institute (DDI) is Human Resources with 3 employees.

How has Developmental Disabilities Institute (DDI)'s team size changed over time?

Developmental Disabilities Institute (DDI)'s team has decreased from approximately 521 to 518 employees based on available data.

Developmental Disabilities Institute (DDI) Employee Directory

Individual and Family ServicesNew York, United States501-1000 Employees

Developmental Disabilities Institute (DDI) is a Smithtown-based nonprofit serving children and adults with autism and other developmental disabilities. It provides a spectrum of services from preschool through residential care, day habilitation, and vocational programs. The organization supports personal growth and fulfillment for participants and their families, serving more than 1,600 people daily. Having operated for nearly 65 years, DDI has a long-standing presence in the local community.

The organization operates as a mid-sized provider in the individual and family services sector, with its activities centered in Smithtown to serve a broad client base. A recent development noted for 2025 is DDI hosting its annual Walk in the Park event, illustrating continued community engagement.

Developmental Disabilities Institute (DDI) Global Highlights

North America
735

United States Of America
734
Canada
1

Asia
1

Turkey
1

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

Developmental Disabilities Institute (DDI)'s Leadership

A. L.
Chief Executive Officer
Mobile Phone
Email
J. K.
Chief Executive Officer
Mobile Phone
Email
P. W.
Chief Executive Officer
Mobile Phone
Email
V. R.
Chief Executive Officer
Mobile Phone
Email
E. D.
Chief Human Resources And Administrative Officer
Mobile Phone
Email
S. S.
Chief Financial & Administrative Officer
Mobile Phone
Email
C. C.
Chief Technology Officer
Mobile Phone
Email
A. G.
Company Owner
Mobile Phone
Email

Developmental Disabilities Institute (DDI) Employee Metrics

100%

50%

0%

2026

2025

Community & Social Services
Education
Healthcare Services
Human Resources
Accounting
Other
Program & Project Management

Contact profiles from Developmental Disabilities Institute (DDI)

Name

Title

Contact Info

Location

Last Update

E. D.
Chief Human Resources And Administrative Officer
Mobile Phone
Email
United StatesNew Jersey
Apr 28, 2026
S. S.
Chief Financial & Administrative Officer
Mobile Phone
Email
United StatesNew York
Apr 15, 2026
A. L.
Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
A. G.
Company Owner
Mobile Phone
Email
Oct 22, 2024
C. C.
Chief Technology Officer
Mobile Phone
Email
Oct 23, 2024
E. K.
Owner
Mobile Phone
Email
Oct 16, 2024
J. K.
Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
K. K.
Owner
Mobile Phone
Email
Oct 16, 2024
M. T.
Owner
Mobile Phone
Email
Oct 16, 2024
P. W.
Chief Executive Officer
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Developmental Disabilities Institute (DDI) known for?

Developmental Disabilities Institute (DDI) was founded in 1961 operates in the Individual and Family Services industry. The company's main headquarters is located in 99 Hollywood Drive Smithtown, New York 11787 United States; you can contact the main corporate office by phone at

+1-631-366-****

. Explore Developmental Disabilities Institute (DDI)'s company overview page for more information.

What is Developmental Disabilities Institute (DDI)'s most common email format?

Developmental Disabilities Institute (DDI) employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Developmental Disabilities Institute (DDI) email formats with LeadIQ.

How many employees does Developmental Disabilities Institute (DDI) have currently?

Developmental Disabilities Institute (DDI) has approximately 857 employees as of May 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Developmental Disabilities Institute (DDI)'s key employees and leadership?

As of May 2026, Developmental Disabilities Institute (DDI)'s key employees include:

Chief Executive Officer: A. L.
Chief Executive Officer: J. K.
Chief Executive Officer: P. W.
Chief Executive Officer: V. R.
Chief Human Resources And Administrative Officer: E. D.

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Developmental Disabilities Institute (DDI) Employee Directory

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