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Kosasa Foundation

HONOLULU, HI EIN: 99-0313279 Website

The Kosasa Foundation is a private family foundation established in 1994 and headquartered in Honolulu, Hawaii. The foundation operates as a 501(c)(3) tax-exempt organization with a focus on environmental stewardship and youth development in Hawaii.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$159.4M

+14.8% YoY

Annual Giving

$5.2M

-15.2% YoY

Grant Count

84

+1.2% YoY

Avg Grant Size

$62K

-16.2% YoY

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

Mission & Focus Areas

Vision: The Kosasa Foundation is committed to nurturing a sustainable natural environment where communities can thrive, and where younger generations have the support needed to preserve Hawaii's legacy while building a brighter future.

Mission: In Hawaii, the health and resilience of the environment is inextricably linked to community wellbeing and the islands' uniqueness as a place. The foundation invests in efforts to educate and engage communities in activities that promote stewardship of natural resources, and supports programs critical to the development of vulnerable youth from their earliest years into young adulthood.

Primary funding areas include:

  • Children and youth development
  • Early childhood education
  • Youth development
  • Environmental stewardship and community-based environmental programs
  • Arts and culture
  • Education
  • Human services
  • Economically disadvantaged populations

Grantmaking

The foundation made 56 grants in its most recent reporting year. Recent grants include:

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in Hawaii, with grants distributed across all islands:

  • Statewide initiatives
  • Kauai
  • Oahu
  • Molokai
  • Maui
  • Lanai
  • Hawaii (Big Island)

The foundation also supports work in California and Minnesota.

Grant Distribution by State

5states

Cities

AieaBainbridge IslandBostonCaptain CookDanvilleEwa BeachHanaHanapepeHawiHiloHololuluHonoHonoluluKahuluiKailuaKailuakonaKalaeloaKalaheoKamuelaKaneohe

Financial History

Multi-year comparison from IRS filings

Assets: $137,474,179 (as of 2024)

Annual Giving: $7,221,302 in revenue (2024); $8,622,675 in expenses (2024)

2025 Giving: $1 million distributed to organizations across Hawaii

The foundation reported total grants awarded of $5,190,270 in its most recent filing.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$14M$28M$41M$55M20202021202220232024
Metric202420232022
Total Assets$159,392,572$138,880,473$124,369,019
Revenue$29,796,833$22,642,255$1,072,404
Expenses$7,878,440$8,135,722$8,103,252
Qualifying Distributions$6,533,621$6,615,154$6,740,135
Net Investment Income$14,691,944$916,580$1,242,658
Distributable Amount$8,519,849$6,976,559$6,917,495

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$3M$5M$7M56 grants202071 grants202186 grants202283 grants202384 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

HAWAIIAN COMMUNITY ASSETS$500KHAWAIIAN ISLANDS LAND TR…$250KFEED THE HUNGER FUND$200KHAWAII COMMUNITY FOUNDAT…$200KINSTITUTE FOR NATIVE PAC…$200KADULT FRIENDS FOR YOUTH$100KBISHOP MUSEUM$100KBOYS & GIRLS CLUB OF MAUI$100KHOOLA NA PUA$100KHUIMAU$100K

Grant Size Distribution

250 grants across all recorded years

171<$50K37$50–100K27$100–250K7$250–500K6$500K–1M2$1–5M$5M+

Open Grants

4 open opportunities from Kosasa Foundation

Show all 4 →

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Board of Directors:

  • Paul Kosasa, President and Treasurer
  • Lisa Gainsley, Vice President
  • Gloria Gainsley, Secretary
  • Christian Gainsley, Board Member
  • Jonathan Gainsley, Board Member
  • Ian Kosasa, Board Member
  • Susan Kosasa, Board Member
  • Tom Kosasa, Board Member

Staff:

  • Christine van Bergeijk, Chief Executive Officer
  • Bob Agres, Program Officer
  • Lisa Rodrigues, Director of Administration
  • Lindsay Kosasa, Program Associate

Compensation Overview

From 2024 IRS filing

CHRISTINE VAN BERGEIJKCEO$200K

From 2024 filing

NameTitleHoursCompensation
GLORIA GAINSLEYDIRECTOR
PAUL J KOSASAPRES/TREAS/DIRECTOR
SUSAN M KOSASAVP/SEC/DIRECTOR
THOMAS S KOSASADIRECTOR
CHRISTINE VAN BERGEIJKCEO40$199,519
LINDSAY KOSASADIRECTOR
IAN KOSASADIRECTOR
LISA GAINSLEYDIRECTOR
CHRISTIAN GAINSLEYDIRECTOR
RIKI MORIMOTOINDEPENDENT APPOINTER
TRACY IDEINDEPENDENT APPOINTER

Recent News & Activity

Recent developments and announcements

2025

The Kosasa Foundation launched a new grant program for arts and culture nonprofits in 2025, setting aside $1 million for local culture and arts organizations. The foundation also operates active grant opportunities including:

Kosasa Foundation launches new grant program for arts and culture nonprofits

Community-Based Environmental Stewardship Grant

Contact Information

Address: 3610 Waialae Avenue, Honolulu, HI 96816

Phone: (808) 509-8532 or (808) 509-8800

Website: www.kosasafoundation.org

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

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