What departments does Mountainside have?

Mountainside has employees across 11 departments including Operations, Finance, Analytics, Business, Program & Project Management.

What is the largest department at Mountainside?

The largest department at Mountainside is Operations with 3 employees.

Where are Mountainside employees located globally?

Mountainside has employees across 2 continents and 3 countries including Sudan, United States Of America, Jamaica.

How has Mountainside's team size changed over time?

Mountainside's team has grown from approximately 210 to 216 employees based on available data.

Mountainside Employee Directory

Mental Health CareConnecticut, United States201-500 Employees

Mountainside Treatment Center provides treatment for chemical dependency and alcohol use disorders within the mental health care sector. Founded in 1998 and based in Canaan, Connecticut, the organization operates across Connecticut, New York, and New Jersey, with virtual services extending to Massachusetts.

The organization serves individuals seeking help for substance use disorders and emphasizes a supportive treatment environment across its network. It operates as a regionally focused provider of chemical dependency treatment services. In 2022, Mountainside was designated a Recovery-Friendly Workplace by the Connecticut governor, and it announced a two-week Addiction Medicine training rotation with Stony Brook University and Southampton Hospital.

Mountainside Global Highlights

North America
305

United States Of America
304
Jamaica
1

Africa
1

Sudan
1

Mountainside's Leadership

A. B.
Chief Executive Officer
Mobile Phone
Email
B. B.
Chief Executive Officer
Mobile Phone
Email
C. M.
Chief Operating Officer
Mobile Phone
Email
L. B.
Chief Financial Officer And General Manager
Mobile Phone
Email
M. F.
Chief Operating Officer
Mobile Phone
Email
J. D.
Vice President Of Business Analytics
Mobile Phone
Email
J. J.
Vice President Of Business Affairs
Mobile Phone
Email
T. D.
President
Mobile Phone
Email

Mountainside Employee Metrics

100%

50%

0%

2026

2025

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

Contact profiles from Mountainside

Name

Title

Contact Info

Location

Last Update

N. H.
Director, School Of Nursing
Mobile Phone
Email
Oct 23, 2024
A. P.
Regional Facilities Manager
Mobile Phone
Email
Nov 16, 2025
D. S. L.
Program Manager
Mobile Phone
Email
United StatesNew York
Jul 17, 2025
D. L. F.
Manager Of Client Support Services
Mobile Phone
Email
United StatesNew York
Apr 16, 2026
I. D.
Assistant Manager Of Alumni Engagement & Podcast Initiatives
Mobile Phone
Email
United StatesConnecticut
May 27, 2026
M. T.
Social Media Manager
Mobile Phone
Email
United StatesConnecticut
May 27, 2026
R. W.
Manager, Alumni Department
Mobile Phone
Email
United StatesConnecticut
Apr 06, 2026
T. C.
Case Manager
Mobile Phone
Email
United StatesConnecticut
Jun 01, 2026
J. W.
Assistant Manager Of Admissions
Mobile Phone
Email
United StatesConnecticut
May 27, 2026
S. T.
Clinical Lead
Mobile Phone
Email
United StatesConnecticut
Mar 24, 2026

Frequently Asked Questions

What is Mountainside known for?

Mountainside was founded in 1998 operates in the Mental Health Care industry. The company's main headquarters is located in 187 South Canaan Road Canaan, Connecticut 06018 United States; you can contact the main corporate office by phone at

+1-800-762-****

. Explore Mountainside's company overview page for more information.

What is Mountainside's most common email format?

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

How many employees does Mountainside have currently?

Mountainside has approximately 292 employees as of June 2026. These team members are located across 2 continents, including North AmericaAfrica.

Who are Mountainside's key employees and leadership?

As of June 2026, Mountainside's key employees include:

Chief Executive Officer: A. B.
Chief Executive Officer: B. B.
Chief Operating Officer: C. M.
Chief Financial Officer And General Manager: L. B.
Chief Operating Officer: M. F.

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Mountainside Employee Directory

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