Herbert R Mayer and Jeanne C Mayer logo

Herbert R Mayer and Jeanne C Mayer

AGOURA HILLS, CA EIN: 95-4589085 Website

The Herbert R Mayer and Jeanne C Mayer Foundation is a private foundation established in 1996 and located in Laguna Beach, California (with administrative offices in Agoura Hills). The foundation was created by Herb and Jeanne Mayer to advance causes aligned with their values as lifelong learners committed to addressing root causes of societal problems.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$35.1M

-4.3% YoY

Annual Giving

$1.8M

-4.5% YoY

Grant Count

33

-5.7% YoY

Avg Grant Size

$55K

+1.3% YoY

Under IRS private-foundation payout rules, Herbert R Mayer and Jeanne C Mayer reported a distributable amount of $2.0M for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation maintains two primary areas of focus:

  1. Youth in Underserved Communities: Investing in the lives of young people from underserved communities in California through grants to nonprofits providing housing, food and nutrition, physical health services, mental well-being, education and training.

  2. Multiple Sclerosis (MS): Supporting organizations seeking to make a difference for people living with Multiple Sclerosis through research and support services.

The foundation also provides additional funds to make contributions to other charities and supports ongoing general operations of select organizations.

Grantmaking

Grant Range

s**: Typical awards range from $2,500 to $666,667.

Invitation Only

**: Grant applications are currently by invitation only. Organizations interested in potential partnership alignment may submit an introduction through the foundation's website.

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in California, with additional grantmaking activity in New York and Ohio.

Grant Distribution by State

14states
+6 more states

Cities

AlhambraAltadenaAustinBala CynwydBaltimoreBellaireBostonBozemanBrooklynCalabasasChino HillsClaremontClevelandColumbusDenverDuarteExeterFresnoGarden GroveHollywood

Financial History

Multi-year comparison from IRS filings

As of 2024:

  • Total Assets: $35,114,306
  • Total Revenues: $1,026,650
  • Total Expenses: $2,600,349
  • Total Giving: $1,808,333
  • Staff: 1 employee
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$3M$4M$5M20202021202220232024
Metric202420232022
Total Assets$35,114,306$36,677,574$39,361,163
Revenue$1,026,650$-152,546$1,634,513
Expenses$2,600,349$2,525,337$2,974,497
Qualifying Distributions$2,155,204$2,125,570$2,468,595
Net Investment Income$552,178$394,488$929,181
Distributable Amount$1,957,557$1,866,714$2,159,329

Giving Over Time

Total grant dollars and number of grants per year

$0$573K$1M$2M$2M28 grants202032 grants202128 grants202235 grants202333 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

UCSF FOUNDATION$383KSEED HOUSE PROJECT$125KBRIGHAM AND WOMEN'S HOSP…$115KACCESS BOOKS$100KFOOD FORWARD$100KMAYOR'S FUND OF LOS ANGE…$100KNATIONAL MULTIPLE SCLERO…$100KSHOES THAT FIT$100KJOURNEY HOUSE$65K9 DOTS COMMUNITY LEARNIN…$50K

Grant Size Distribution

156 grants across all recorded years

76<$50K50$50–100K24$100–250K3$250–500K3$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Ucsf Foundation ($383,333), Seed House Project ($125,000), Brigham and Women's Hospital Inc ($115,000).

RecipientPurposeAmount
9 DOTS COMMUNITY LEARNING CENTER TORRANCE, CAGENERAL OPERATING FUND$50,000
ACCESS BOOKS LOS ANGELES, CAREFURBISH OF TWO SCHOOL LIBRARIES$100,000
AMERICA ON TECH LOS ANGELES, CAONGOING OPERATIONS$50,000
AMERICAN BRAIN FOUNDATION MINNEAPOLIS, MNRESEARCH GRANT FOR LEWY BODY DEMENTIA$10,000
AMERICAN CIVIL LIBERTIES UNION OF OHIO FOUNDATION CLEVELAND, OHGENERAL OPERATING FUND$15,000
ARMORY CENTER FOR THE ARTS PASADENA, CAONGOING OPERATIONS$10,000
BRACKEN'S KITCHEN GARDEN GROVE, CAOPERATING SUPPORT$50,000
BRIGHAM AND WOMEN'S HOSPITAL INC BOSTON, MAONGOING OPERATIONS$115,000
COLLEGE ACCESS PLAN PASADENA, CAOPERATING SUPPORT$50,000
COMMUNITY PARTNERS LOS ANGELES, CAREADY, SET, READ!$25,000

Leadership & Key People

Leadership team and compensation from IRS filings

Sarah Kalter serves as CEO and Executive Director. As a member of the Mayer family with international experience in both corporate and nonprofit sectors, she leads the foundation's strategic direction and conducts deep-dive evaluations of potential grantees focusing on vision, operating model, and potential for sustainable change.

Brooke Cutler serves on the foundation board, bringing expertise in global health equity and human rights with special emphasis on girls and women, drawing from her career as an international development consultant.

Compensation Overview

From 2024 IRS filing

SARAH J KALTERPRESIDENT/DIRECTOR$305K

From 2024 filing

NameTitleHoursCompensation
SARAH J KALTERPRESIDENT/DIRECTOR40$305,441
KATELYN M KALTERTREASURER/DIRECTOR5
ERIC MARTONDIRECTOR1
NIEL WIDERSCHEINDIRECTOR1
BROOKE CUTLERDIRECTOR1

Recent News & Activity

Recent developments and announcements

The foundation has supported neurology research through its endowed professorship at UCSF, reflecting its commitment to advancing Multiple Sclerosis research and innovation. The foundation continues to actively evaluate new organizations and potential partnerships aligned with its dual focus areas.

Introducing the 2026 Next Generation Research Grant Recipients

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Herbert R Mayer and Jeanne C Mayer fund?

The foundation maintains two primary areas of focus: 1. **Youth in Underserved Communities**: Investing in the lives of young people from underserved communities in California through grants to nonprofits providing housing, food and nutrition, physical health services, mental well-being, education and training. 2. **Multiple Sclerosis (MS)**: Supporting organizations seeking to make a difference for people living with Multiple Sclerosis through research and support services. The foundation also…

How do I apply for a grant from Herbert R Mayer and Jeanne C Mayer?

**Grant Activity**: In the most recent year, the foundation made 28 grants with total giving of $1,808,333. **Grant Sizes**: Typical awards range from $2,500 to $666,667. **Recent Grants**: Notable recent grants include: • $383,333 to UCSF Foundation Investment Company for the Jeanne C Mayer Endowed Professorship in Neurology (2024) • $125,000 to Seed House Project for Ongoing Operations (2024) **Application Process**: Grant applications are currently by invitation only. Organizations intereste…

Where does Herbert R Mayer and Jeanne C Mayer make grants?

The foundation primarily funds organizations in California, with additional grantmaking activity in New York and Ohio.

What size grants does Herbert R Mayer and Jeanne C Mayer award?

In 2024, Herbert R Mayer and Jeanne C Mayer awarded 33 grants totaling $1.8M — an average of about $55K per grant, based on its IRS Form 990 filings.

How much is Herbert R Mayer and Jeanne C Mayer required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Herbert R Mayer and Jeanne C Mayer reported a distributable amount of $2.0M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Herbert R Mayer and Jeanne C Mayer's EIN?

Herbert R Mayer and Jeanne C Mayer's EIN (Employer Identification Number) is 95-4589085. IRS Form 990 filing data is available on this page for 2020–2024.

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

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