What departments does Day One have?

Day One has employees across 11 departments including Entrepreneurship, Marketing, Healthcare Services, Engineering, Product Management.

What is the largest department at Day One?

The largest department at Day One is Marketing with 3 employees.

Where are Day One employees located globally?

Day One has employees across 5 continents and 18 countries including South Africa, Morocco, India, Saudi Arabia, Singapore.

How has Day One's team size changed over time?

Day One's team has grown from approximately 36 to 40 employees based on available data.

Learn more at LeadIQ.com

Day One Employee Directory

Mental Health CareMaine, United States51-200 Employees

Day One is a mental health care provider based in Windham, Maine. It delivers substance-use treatment, mental health support, and wellness services for youth and families across the state. The organization aims to improve Maine's health by helping young people access opportunities to realize their potential and lead healthy, productive lives.

With a mid-sized team, Day One operates within the community health space, offering services aimed at youth and families. In 2020, the organization announced the closure of its Portland, Oregon offices and ceased client visits at its South Portland location, reflecting changes in its operations while continuing its Maine-focused mission.

Day One Global Highlights

North America
147

United States Of America
146
Canada
1

Europe
8

Belgium
2
France
2
United Kingdom Of Great Britain And Northern Ireland
2
Luxembourg
1
Georgia
1

Asia
7

India
1
Saudi Arabia
1
Singapore
1
Philippines
1
China
1
Japan
1
Sri Lanka
1

Africa
3

Morocco
2
South Africa
1

Oceania
2

Australia
1
New Zealand
1

Day One's Leadership

L. N.
Chief Executive Officer
Mobile Phone
Email
J. H.
Chief Marketing Officer
Mobile Phone
Email
S. C.
Chief Clinical Officer
Mobile Phone
Email
V. R.
Chief Growth Officer
Mobile Phone
Email
K. V.
Co-Founder
Mobile Phone
Email
P. L.
Company Owner
Mobile Phone
Email
A. C.
Director
Mobile Phone
Email
D. F.
Director Of Software Engineering
Mobile Phone
Email

Day One Employee Metrics

100%

50%

2026

2025

Healthcare Services
Entrepreneurship
Administrative
Business
Recruiting
Other
Community & Social Services
Retail

Contact profiles from Day One

Name

Title

Contact

Location

Last Update

S. F.
Peer Leader
Mobile Phone
Email
Aug 05, 2026
A. B.
Fondateur
Mobile Phone
Email
France, Normandy
Apr 16, 2026
A. V.
Fondatrice
Mobile Phone
Email
Canada, Quebec
Jun 02, 2026
A. D.
Travel Designer
Mobile Phone
Email
Luxembourg
Oct 20, 2025
C. G.
Environmental Prevention Coordinator
Mobile Phone
Email
Oct 16, 2024
C. R.
Csec Mdt Coordinator
Mobile Phone
Email
Oct 22, 2024
D. C.
Licsw
Mobile Phone
Email
Oct 18, 2024
H. J.
Counselor
Mobile Phone
Email
Oct 21, 2024
J. C.
Licsw
Mobile Phone
Email
Oct 18, 2024
J. W.
Substance Abuse Counselor
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Day One known for?

Day One was founded in 1973 and operates in the Mental Health Care industry. You can contact Day One's main corporate office by phone at

+1-207-874-****

. Explore Day One's company overview page for more information.

What is Day One's most common email format?

Day One employees' email format typically follows the pattern of FirstL@day-one.org. Trying to find reliable and up-to-date employee contact data? Find more Day One email formats with LeadIQ.

How many employees does Day One have currently?

Day One has approximately 197 employees as of August 2026. These team members are located across 5 continents, including North America, Europe and Asia.

Who are Day One's key employees and leadership?

As of August 2026, Day One's key employees include:

Chief Executive Officer: L. N.
Chief Marketing Officer: J. H.
Chief Clinical Officer: S. C.
Chief Growth Officer: V. R.
Co-Founder: K. V.

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Day One Employee Directory

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