Skip to main content

NATIONAL TROPICAL BOTANICAL GARDEN

KALAHEO, HIEIN: 52-6057064Website

Data sourced from IRS 990 public filings

NATIONAL TROPICAL BOTANICAL GARDEN TO ENRICH LIFE BY PERPETUATING TROPICAL PLANTS, ECOSYSTEMS AND CULTURAL HERITAGE THROUGH DISCOVERY, SCIENTIFIC RESEARCH, CONSERVATION, AND EDUCATION.

General Population
International
Local (City/County Level)
Conservation & Land Protection
Research & Evaluation
National
Environment
Science & Research

Annual Revenue

$29,167,793

Known Funders

59

Grants Received

138

Financial History

YearRevenueExpensesAssets
2024$29,167,793$14,417,543$98,830,821
2023$12,932,790$13,631,747$81,941,242
2022$15,141,654$12,903,414$80,182,510
2021$14,124,029$9,935,939$83,543,723
2020$8,583,887$9,767,097$75,788,998
2019$11,652,622$11,220,240$72,717,800
2018$11,323,064$11,115,904$69,039,325
2017$10,640,833$11,377,135$70,955,506

Top Funders

THE MARISLA FOUNDATION

LAGUNA BEACH, CA

$400,000 (2024)
THE MARISLA FOUNDATION

LAGUNA BEACH, CA

$300,000 (2023)
THE MARISLA FOUNDATION

LAGUNA BEACH, CA

$200,000 (2021)
COLCOM FOUNDATION

PITTSBURGH, PA

$185,000 (2021)
COLCOM FOUNDATION

PITTSBURGH, PA

$150,000 (2023)

Showing top 10 of 59 funders.

Key Personnel

From 2024 IRS 990 filing

T

TAMARA A ROLLINS

CFO

Officer
J

JANET L MAYFIELD

CEO & DIRECTOR

Officer
D

DR CHRISTOPHER D TURNER

TRUSTEE

S

SAM 'OHU GON III PHD

TRUSTEE

P

PHYLISS EVANS SWINDELLS

TRUSTEE

C

CAROL DICKINSON

TRUSTEE

E

ELIZABETH E MATTHEWS

TRUSTEE

A

ANNE G EARHART

VICE CHAIR

Officer
M

MICHAEL N ROSENBERG DDS

TRUSTEE

T

THOMAS D HEWITT

PRIOR CHAIRMAN

Showing 10 of 27 key personnel.

Frequently Asked Questions

Other Nonprofits in Hawaii

All nonprofits in Hawaii

Unlock Full Nonprofit Data

Sign up for free to access the complete funder list, financial history, program details, key personnel, and smart matching.

Unlock full data & AI matching Sign up free