Mentis
Mentis provides bilingual professional mental health services to people throughout the county of every age, stage, and income level.
Mentis at a glance
In short: Mentis gave $166K across 1 grant in 2025 (avg $166K), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $166,363
- -79.2% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $166,363
- -79.2% vs 2024
- Median grant
- $166,363
- Total assets
- $13,341,915
- +16.6% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Mentis funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was On the Move ($166K).
Grant Size Distribution
2 grants across all recorded years
The most common grant size was in the $100–250K range: 1 grant of 2 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2024 to 2025, annual grant giving ranged from $166K (2025) to $800K (2024). In 2025 it made 1 grant totaling $166K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| On the Move Napa, CA | Program Support | $166,363 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $13,341,915 | $6,670,654 | $5,718,401 | $166,363 | 1 | $60,059 |
| 2024 | $11,446,110 | $8,802,879 | $5,835,492 | $800,000 | 1 | $839,585 |
| 2023 | $8,204,214 | $7,364,381 | $3,541,740 | — | — | $7,507 |
| 2022 | $1,461,676 | $3,153,071 | $3,292,189 | — | — | $6,729 |
| 2021 | $1,965,452 | $3,130,493 | $2,829,131 | — | — | $64 |
| 2020 | $1,569,377 | $2,636,752 | $2,656,299 | — | — | $558 |
| 2019 | $1,161,460 | $2,480,237 | $2,621,744 | — | — | $1,481 |
About Mentis
Based on IRS filings
Mentis is a public charity focused on Human Services, based in Napa, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $13.3M in total assets. In 2025, it awarded 1 grant totaling $166K. Net investment income was $60K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Mentis is led by Robert Weiss, Executive Director on every filing since 2019; 1 of 16 officers listed in 2025 is compensated.
Officers on the 2025 filing
Robert Weiss
Executive Director
On filings since 2019
40 hrs/week
$127K (2019) → $180K (2025)
Kim Brown Sims
President
Director → Vice President, 2020
Vice President → President, 2021
On filings since 2019
1 hr/week
No compensation reported
Bret K. Johnson
Director
On filings since 2019
1 hr/week
No compensation reported
Christopher Barefoot
Director
On filings since 2019
1 hr/week
No compensation reported
Regina Weinstein
Director
On filings since 2021
1 hr/week
No compensation reported
Terry Wunderlich
Director
On filings since 2021
1 hr/week
No compensation reported
Maria Cisneros
Director
On filings since 2022
1 hr/week
No compensation reported
Gwen McGill
Director
On filings since 2023
1 hr/week
No compensation reported
Judd Wallenbrock
Director
On filings since 2023
1 hr/week
No compensation reported
Kate Smith
Director
On filings since 2023
1 hr/week
No compensation reported
Sonja Farley
Director
On filings since 2023
1 hr/week
No compensation reported
Carrie Robertshaw
Director
On filings since 2024
1 hr/week
No compensation reported
Ellen Birmingham
Director
New on the 2025 filing
1 hr/week
No compensation reported
Richard Hachoose
Director
New on the 2025 filing
1 hr/week
No compensation reported
Julissa Marcencia
Secretary
Director → Secretary, 2020
On filings since 2019
1 hr/week
No compensation reported
Sarah Moore
Vice President
President → Director, 2021
Director → Vice President, 2023
On filings since 2019
1 hr/week
No compensation reported
Former officers (12)
- Former: Susan Dix Lyons (2020–2023) — Director
- Former: Wendy Carolo (2023) — Director
- Former: Wendy Darneal-Carolo (2019–2022) — Director
- Former: Desi Capaz (2022) — Director
- Former: Kyle Iverson (2019–2021) — Director
- Former: John F. Wicks (2020–2021) — Treasurer
- Former: Maria Lopez-Cisneros (2021) — Director
- Former: Andrea Clarke (2019–2020) — Director
- Former: Elizabeth Hawkins (2019–2020) — Treasurer
- Former: Susan Lyle (2019–2020) — Director
- Former: Laura Webb (2019) — Director
- Former: Peter Krammer (2019) — Secretary
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $180K, to Robert Weiss (Executive Director).
Frequently asked questions about Mentis
How much does Mentis give each year?
Mentis gave $166K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $800K across 1 grant.
How large is Mentis?
Mentis reported $13.3M in total assets on its 2025 IRS Form 990. Its revenue that year was $6.7M.
What is Mentis?
Mentis is a public charity focused on Human Services, based in Napa, CA. It holds $13.3M in total assets as of 2025.
Where does Mentis operate?
Mentis has awarded grants in California.
What is Mentis's EIN?
Mentis's EIN (Employer Identification Number) is 94-1236934. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS May 15, 2020)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 14, 2024)
- Updated Form 990 for fiscal year 2025 (received by the IRS January 8, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Mentis funds
Human Services Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Mentis's focus areas in our free grants database
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Funders with grantees in common
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The Valley of the Moon Children's Home Foundation is a private, non-profit organization that is committed to providing supportive and educational services to positively impact the present and future lives of abused, abandoned and neglected children and youth. The Foundation supports children and youth that are presently experiencing foster care, or have transitioned out of foster care, and are current or former residents of Sonoma County.
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The Manzanita Foundation
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The Manzanita Foundation supports community-led work in climate and environmental justice, racial justice, Indigenous sovereignty, workers’ rights, and related movements, prioritizing low-income communities of color. It focuses mostly on Bay Area organizations but also funds beyond the region; most grants are $20,000–$30,000 per year. It does not accept unsolicited requests and funds preselected organizations only.
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Operation California Inc
Los Angeles, CA
It helps communities to alleviate the effects of disasters, disease and endemic poverty throughout the world by providing privately-funded relief, reconstruction and development aid. The organization works with partner agencies in many countries, including local and international ngo's, un and government health agencies and other civil society institutions. Each partner agency receives a list of available supplies and evaluates them in relation to local needs. Then the supplies are packed and shipped by air, sea and land to where the greatest need exists.
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