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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.

Find Day One employees' phone numbers or email addresses

Day One Global Highlights

Location
Employees

North America
147

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  • United States Of America
    146
  • Canada
    1

Europe
8

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

Asia
7

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

Africa
3

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  • Morocco
    2
  • South Africa
    1

Oceania
2

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  • Australia
    1
  • New Zealand
    1

Day One's Leadership

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

Day One Employee Metrics

100%
50%
0%
2026
2025
  • Healthcare Services
  • Entrepreneurship
  • Administrative
  • Business
  • Recruiting
  • Other
  • Community & Social Services
  • Retail

Contact profiles from Day One

Name
Title
Contact
Location
Last Update
  • Finance & Billing Specialist at Day One
    K. H.
    Finance & Billing Specialist
    Mobile Phone
    Oct 22, 2024
  • Neop Coordinator at Day One
    L. B.
    Neop Coordinator
    Mobile Phone
    Jul 15, 2025
  • Lcsw at Day One
    M. F.
    Lcsw
    Mobile Phone
    Oct 22, 2024
  • Accounting Specialist at Day One
    N. C.
    Accounting Specialist
    Mobile Phone
    Oct 18, 2024
  • Substance Abuse Counselor at Day One
    S. M. L. C.
    Substance Abuse Counselor
    Mobile Phone
    Oct 23, 2024
  • Whatevr at Day One
    S. J.
    Whatevr
    Mobile Phone
    Oct 17, 2024
  • Development And Public Relations at Day One
    T. W.
    Development And Public Relations
    Mobile Phone
    Oct 22, 2024
  • Client at Day One
    J. W.
    Client
    Mobile Phone
    Aug 05, 2026
  • Asesor Comercial at Day One
    J. L. R.
    Asesor Comercial
    Mobile Phone
    Aug 27, 2026
  • Developing World Class Health Practitioners at Day One
    C. H.
    Developing World Class Health Practitioners
    Mobile Phone
    Australia, Victoria
    Jun 29, 2026

Frequently Asked Questions

What is Day One known for?

Minus sign iconPlus sign iconDay 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?

Minus sign iconPlus sign iconDay 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?

Minus sign iconPlus sign iconDay 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?

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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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