Sozosei Foundation Inc logo

Sozosei Foundation Inc

PRINCETON, NJ EIN: 84-3915935 Website

Sozosei Foundation Inc is a corporate foundation established in 2019 as the philanthropic arm of Otsuka. Based in Princeton, New Jersey, the Foundation operates as a 501(c)(3) organization with tax-exempt status since April 2020. The name "Sozosei" means "creativity" in Japanese, reflecting the Foundation's Japanese heritage and commitment to innovative problem-solving.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$8.3M

+32.6% YoY

Annual Giving

$2.8M

-44.8% YoY

Grant Count

34

+0.0% YoY

Avg Grant Size

$81K

-44.8% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The Foundation's primary mission is to increase access to mental healthcare in order to eliminate the inappropriate use of jails and prisons for the diagnosis and treatment of mental illness in the United States. The Foundation focuses on decriminalizing mental illness and supporting resilient communities.

The Foundation's philanthropic approach is guided by three core principles:

  1. Community-driven: ensuring programs and policies are developed by and for the people they seek to support
  2. Original: taking an innovative and data-driven approach toward problem solving
  3. Sustainable: cultivating the circumstances and motivation necessary for long-term, self-supported success

The Foundation is guided by the Japanese spirit of "Jissho," or "proof through execution," employing unique assets and skills to contribute to building healthier communities.

Grantmaking

The Foundation makes grants to organizations working on decriminalization of mental illness and related initiatives. Recent grant activity includes:

Grant Range

of approximately $81,000

Average Grant

of approximately $81,000

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Geographic Focus

Where this funder awards grants

The Foundation's grantmaking focuses primarily on New York, the District of Columbia, and California.

Grant Distribution by State

30states
+22 more states

Cities

AlexandriaArdmoreArlingtonAtlantaAustinBaltimoreBedminsterBostonBridgetonBrigantineBrooklynBryn MawrCalabasasCamdenChicagoColumbiaColumbusDallasDenverDublin

Financial History

Multi-year comparison from IRS filings

2024 (Most Recent)

  • Total Assets: $8,312,519
  • Total Revenue: $8,163,451
  • Total Expenses: $5,569,489
  • Annual Giving: $2,762,415
  • Net Investment Income: $161,056

2023

  • Total Assets: $6,268,958
  • Total Revenue: $6,426,532
  • Total Expenses: $6,828,967
  • Qualifying Distributions: $6,424,434

2022

  • Total Assets: $6,470,793
  • Total Revenue: $5,056,566
  • Total Expenses: $12,528,552
  • Qualifying Distributions: $12,837,379

The Foundation has one employee as of 2023.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$4M$7M$11M$14M20202021202220232024
Metric202420232022
Total Assets$8,312,519$6,268,958$6,470,793
Revenue$8,163,451$6,426,532$5,056,566
Expenses$5,569,489$6,828,967$12,528,552
Qualifying Distributions$5,913,496$6,424,434$12,837,379
Net Investment Income$161,056$226,532$52,698
Distributable Amount$186,551$249,803$471,939

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$7M$9M18 grants202088 grants202161 grants202234 grants202334 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

UNIVERSITY OF WISCONSIN$200KONE MILLION MADLY MOTIVA…$125K1 MILLION MADLY MOTIVATE…$100KADVOCATE PROGRAM INC$100KCAMDEN COALITION OF HEAL…$100KCHILDREN'S RIGHTS$100KDRUG POLICY ALLIANCE$100KFOUNDATION FOR APPALACHI…$100KINSEPARABLE INC$100KINTERNATIONAL DOCUMENTAR…$100K

Grant Size Distribution

186 grants across all recorded years

33<$50K28$50–100K106$100–250K19$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Melissa M. Beck, Esq. serves as Executive Director.

Altha J. Stewart, MD was appointed to the Board of Directors in December 2024. Dr. Stewart is a nationally recognized leader in psychiatry and management of public mental health systems, with extensive experience in public and mental health advocacy and addressing health disparities.

Compensation Overview

From 2024 IRS filing

WILLIAM CARSON MDCHAIRMAN AND DIRECTOR$125K

From 2024 filing

NameTitleHoursCompensation
WILLIAM CARSON MDCHAIRMAN AND DIRECTOR20$125,000
KENITA BARROWSECRETARY1
JAMES SAUERTREASURER1
MARY MICHAELDIRECTOR1
MELISSA BECKEXECUTIVE DIRECTOR40
TAREK RABAHDIRECTOR1
DR ALTHA STEWARTDIRECTOR - AS OF OCTOBER 20241

Recent News & Activity

Recent developments and announcements

2025

**January 2025**: The Sozosei Foundation announced a grant to Georgetown Law's Center for Innovations in Community Safety to catalyze a partnership with 1 Million Madly Motivated Moms to further develop the functionality of The Right Response directory.

The Sozosei Foundation Announces New Grants to Decriminalize Mental Illness
2024

**December 2024**: Altha J. Stewart, MD, a nationally recognized leader in psychiatry and public mental health systems, was appointed to the Foundation's Board of Directors.

2024

**June 2024**: The Foundation announced Spring 2024 grantee partners, awarding $2,169,000 to 36 organizations to increase access to mental healthcare and end the inappropriate use of the carceral system as treatment for mental illness.

The Sozosei Foundation Announces New Grants to Decriminalize Mental Illness
2024

**2024**: The Foundation published newsletters addressing organizational values including curiosity, collaboration, and data-driven decision-making.

2021

**2021**: The Foundation conducted a Global Solution Lab, convening over 50 multidisciplinary experts to identify top solutions for advancing the decriminalization of mental illness.

The Sozosei Foundation Announces New Grants to Decriminalize Mental Illness

Subject Areas

Focus areas based on grantmaking activity

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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