Day One: Detailed Company Information & Corporate Profile
Summary
Day One, headquartered in Windham, Maine, delivers psychiatric services with a focus on substance use, mental health, youth, wellness, family, recovery, case management, residential care, teens, counseling, and medication management. Since its founding in 1973, the organization has expanded to support patients across multiple treatment settings while maintaining an integrated approach that blends clinical expertise with preventative education.
The company employs between 100 and 200 staff members and generates annual revenue in the $50 million to $100 million range. Its leadership team features individuals such as President/Creative Director Rik Peirson, Coordinator of Prevention Education Sandra Malone, Owner/Chief Strategist Jamie DiBease, Outpatient Counselor June Midura, Mental Health Clinician jordan Etienne, Chief of Operations Lisa Munderback, School‑Based Counselor Sydney Bloom, and others who guide the organization’s strategic vision and day‑to‑day operations.
| Day One Website | day-one.org |
| Social Links |   |
| Phone Number | 207-893-0386 |
| Industries | |
| Day One Headquarters Address | 86 Tandberg Trail, Windham, Maine, 04062 US |
| Company Size | 100-200 employees |
| Specialities & Services | substance use, mental health, youth, wellness, family, recovery, case management, residential, teens, counseling, medication management |
| Founded | 1973 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-09-16 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1966 | Nonprofit | 500-1000 | |
| 2015 | - | 10-50 |
Estimated Website Traffic
The chart shows a decline in traffic to the day-one.org website. In September, traffic decreased to 161, compared to 181 in the previous month. The highest traffic in 2026 was recorded in April, reaching 975 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Day One's workforce includes employees across a wide range of tenure levels.
3% have been with the company for less than 1 year9% have been with the company for 1 to 2 years9% have been with the company for 3 to 4 years12% have been with the company for 5 to 7 years12% have been with the company for 8 to 10 years55% have been with the company for more than 11 years
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Day One Corporate Information: FAQ
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