Our Fellows

We find founders who have a scalable solution to climate or poverty—and the chops to deliver it.

Healthcare, education, livelihoods, nutrition, a healthy environment— whatever leads to a better life and a route out of poverty. Each year, we recruit the best twenty we can find into our Rainer and Henry Arnhold Fellows programs.

Learn More About Our Fellowships
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Nonprofit
Education

The Idea

Smartphone-Enhanced Structured Pedagogy

Simon Graffy

Inspiring Teachers

2025

|

Rainer

Nonprofit
Education
Rainer
East Africa,West Africa
Nonprofit
Health

The Idea

Hypertargeting for Preventative Healthcare

João Abreu

ImpulsoGov

2025

|

Rainer

Nonprofit
Health
Rainer
Latin America
Nonprofit
Collective Action and Policy

The Idea

Homegrown, Pro-Growth Economic Agendas

Pascal Mensah

The Economic Policy Network

2025

|

Rainer

Nonprofit
Collective Action and Policy
Rainer
Asia,Africa Wide
For-Profit
Livelihoods

The Idea

Poultry Production Clusters

Opeoluwa Fayomi

Pullus Africa

2025

|

Rainer

For-Profit
Livelihoods
Rainer
East Africa
Nonprofit
Health

The Idea

One Nurse, in One Room

Nick Laing

OneDay Health

2025

|

Rainer

Nonprofit
Health
Rainer
East Africa
Nonprofit
Health

The Idea

Hassle-free Fortification of Wheat Flour

Tony Senanayake

Fortify Health

2025

|

Rainer

Nonprofit
Health
Rainer
Asia
Nonprofit
Water and Sanitation

The Idea

The Right Boreholes in the Right Places in Malawi

Muthi Nhlema

BASEflow

2025

|

Rainer

Nonprofit
Water and Sanitation
Rainer
East Africa
For-Profit
Health

The Idea

An Affordable, High Quality Menstrual Cup

Ira Guha

Asan

2025

|

Rainer

For-Profit
Health
Rainer
Asia
Nonprofit
Health

The Idea

Low Cost, High Quality Fermented Proteins

Grant Gordon

Essential

2025

|

Rainer

Nonprofit
Health
Rainer
East Africa
For-Profit
Livelihoods

The Idea

Bank the Best Farmers Season After Season

Bram Willem van den Bosch

Emata Uganda Limited

2025

|

Rainer

For-Profit
Livelihoods
Rainer
East Africa
For-Profit
Environment

The Idea

Landscape-Scale Forest Restoration

Thiago Picolo

re.green

2025

|

Henry

For-Profit
Environment
Henry
Latin America
Nonprofit
Environment

The Idea

Fire Alerts and Forest Guardians

Iroro Tanshi

Tropical Fire Solutions

2025

|

Henry

Nonprofit
Environment
Henry
West Africa
Nonprofit
Environment

The Idea

Indigenous People's Corporations

Ruwi Ruwindrijarto

Mitra BUMMA

2025

|

Henry

Nonprofit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Carbon-funded agroforestry transition

Tonthoza Uganja

Sustainable Farming Solutions

2025

|

Henry

Nonprofit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

Organizational strengthening of local community-led conservation organizations

Marc Fruitema

Menjadi

2025

|

Henry

Nonprofit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Link pro-nature value chains to high-value markets

Tiana Andriamanana

Fanamby

2025

|

Henry

Nonprofit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

AI Powered Tree-Based Carbon Measurement

Sassan Saatchi

CTrees

2025

|

Henry

Nonprofit
Environment
Henry
Global,Asia,Latin America
Nonprofit
Environment

The Idea

Coalitions for green economic growth

Jean-Philippe Palasi

INDRI

2025

|

Henry

Nonprofit
Environment
Henry
Latin America
Nonprofit
Environment

The Idea

Platform to develop community-centered carbon deals.

Tracey Osborne

Climate Justice Standard

2025

|

Henry

Nonprofit
Environment
Henry
Latin America
Nonprofit
Education

The Idea

Community-run pre-school in Rwanda

Lydie Hakizimana

Happy Hearts

2024

|

Rainer

Nonprofit
Education
Rainer
East Africa
For-Profit
Livelihoods

The Idea

Phone-based gig work to train AI in India

Safiya Husain

Karya

2024

|

Rainer

For-Profit
Livelihoods
Rainer
Asia
Nonprofit
Health

The Idea

Dispensers for easy access to life-saving medicines in Southern Africa

Neo Hutiri

Pelebox

2024

|

Rainer

Nonprofit
Health
Rainer
Southern Africa
Nonprofit
Health

The Idea

Scripted Sex Ed as Core Curriculum

Maia Ramarosandratana

Projet Jeune Leader (PJL)

Projet Jeune Leader (PJL)

2024

|

Rainer

Nonprofit
Health
Rainer
East Africa
Nonprofit
Health

The Idea

Community distributors of self-injectable contraception in Nigeria

Klau Chmielowska

Lafiya Nigeria

2024

|

Rainer

Nonprofit
Health
Rainer
West Africa
For-Profit
Livelihoods

The Idea

Food processing microfactories in Kenya

Irene Etyang

Mamlo Foods

2024

|

Rainer

For-Profit
Livelihoods
Rainer
East Africa
Nonprofit
Health

The Idea

Pair telemedicine to Community Health Workers in Guinea

Nasser Diallo

Clinic+O

2024

|

Rainer

Nonprofit
Health
Rainer
West Africa
Nonprofit
Livelihoods

The Idea

“Growth Teams” in Government

Jonathan Mazumdar

Growth Teams

Growth Teams

2024

|

Rainer

Nonprofit
Livelihoods
Rainer
Global
Nonprofit
Livelihoods

The Idea

Use AI to speed up justice in Indian courts

Utkarsh Saxena

Adalat AI

2024

|

Rainer

Nonprofit
Livelihoods
Rainer
Asia
For-Profit
Health

The Idea

Uber for emergency transport

Folake Owodunni

Emergency Response Africa

2024

|

Rainer

For-Profit
Health
Rainer
West Africa
Nonprofit
Environment

The Idea

Hi-tech verification to stop illegal trade of forest products

Jade Saunders

World Forest ID

2024

|

Henry

Nonprofit
Environment
Henry
Global
Nonprofit
Environment

The Idea

Make human rights central to conservation, globally

Solange Bandiaky-Badji

Rights and Resources Initiative

2024

|

Henry

Nonprofit
Environment
Henry
Global
Nonprofit
Environment

The Idea

Barefoot Lawyers

Peter Bosip

Centre for Environmental Law & Community Rights (CELCOR) Inc

2024

|

Henry

Nonprofit
Environment
Henry
Oceania
Nonprofit
Environment

The Idea

Make forest products profitable in Indonesia

Bustar Maitar

EcoNusa Foundation

2024

|

Henry

Nonprofit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Boost the community led conservation movement in Kenya

Dickson Kaelo

Kenya Wildlife Conservancies Association (KWCA)

2024

|

Henry

Nonprofit
Environment
Henry
East Africa
Hybrid
Environment

The Idea

Grind rocks to improve soils and sequester carbon for smallholder farmers

Shantanu Agarwal

Mati Carbon PBC

2024

|

Henry

Hybrid
Environment
Henry
Global
For-Profit
Environment

The Idea

Soil enriching biochar from agricultural waste in Kenya

Ines Serra Baucells

BIOSORRA

2024

|

Henry

For-Profit
Environment
Henry
East Africa
Nonprofit
Health

The Idea

Radio campaigns to increase family planning in Nigeria

Anna Christina Thorsheim

Family Empowerment Media (FEM)

2023

|

Rainer

Nonprofit
Health
Rainer
West Africa
For-Profit
Livelihoods

The Idea

Smart greenhouses for farmers in Kenya

Taita Ngetich

Synnefa

2023

|

Rainer

For-Profit
Livelihoods
Rainer
East Africa
Nonprofit
Health

The Idea

Emergency transport services across Africa

Linda Deng

M-Mama

2023

|

Rainer

Nonprofit
Health
Rainer
East Africa
Nonprofit
Collective Action and Policy

The Idea

Targeted policy advocacy and implementation to activate India's welfare schemes

Samina Bano

RightWalk Foundation

2023

|

Rainer

Nonprofit
Collective Action and Policy
Rainer
Asia
Nonprofit
Health

The Idea

Professionalized peer community nutrition workers in India

Shruthi Iyer

Foundation for Mother and Child Health (FMCH)

2023

|

Rainer

Nonprofit
Health
Rainer
Asia
For-Profit
Livelihoods

The Idea

Map tech to predict and aggregate harvests in Ghana

Nikki Okrah

Chaku Foods

2023

|

Rainer

For-Profit
Livelihoods
Rainer
West Africa
Nonprofit
Collective Action and Policy

The Idea

A Coalition to Advocate for More Effective Aid

Walter Kerr

Unlock Aid

Unlock Aid

2023

|

Rainer

Nonprofit
Collective Action and Policy
Rainer
Global
For-Profit
Health

The Idea

AI-powered, On-demand Women’s Health Care

Divya Kamerkar

Pinky Promise

Pinky Promise

2023

|

Rainer

For-Profit
Health
Rainer
Asia
Nonprofit
Education

The Idea

Mindfulness Classes

Richa Gupta

Labhya

Labhya

2023

|

Rainer

Nonprofit
Education
Rainer
Asia
Nonprofit
Education

The Idea

A Personalized Chatbot to Learn Math

Abdulhamid Haidar

Darsel

Darsel

2023

|

Rainer

Nonprofit
Education
Rainer
Global
For-Profit
Water and Sanitation

The Idea

Rural Water Utilities

Mikael Dupuis

Uduma

Uduma

2023

|

Rainer

For-Profit
Water and Sanitation
Rainer
West Africa
For-Profit
Environment

The Idea

Native fish aquaculture in Lake Tanganyika

Alex Chetkovich

Tanganyika Blue

Tanlake Samaki (Tanganyika Blue)

2023

|

Henry

For-Profit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

Carbon-Financed Agroforestry

Krutika Ravishankar

Farmers for Forests

Farmers for Forests

2023

|

Henry

Nonprofit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Self-Sustaining Wildlife Management Areas

Sam Shaba

Honeyguide

Honeyguide Foundation

2023

|

Henry

Nonprofit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

Community-led conservation in Gabon

Graden Froese

Nsombou Abalghe-Dzal Association (NADA)

2023

|

Henry

Nonprofit
Environment
Henry
Central Africa
For-Profit
Environment

The Idea

Nature-based payments to incentivize climate-smart practices

Madhur Jain

Varaha

2023

|

Henry

For-Profit
Environment
Henry
Asia
For-Profit
Environment

The Idea

Carbon-reducing building materials made of ag waste in India

Shriti Pandey

Strawcture Eco

2023

|

Henry

For-Profit
Environment
Henry
Asia
For-Profit
Environment

The Idea

Pay People to Protect Nature

Viraj Sikand

EarthAcre

EarthAcre

2023

|

Henry

For-Profit
Environment
Henry
East Africa
For-Profit
Environment

The Idea

Human-Wildlife Conflict (HWC) insurance

Barbara Chesire

AB Entheos

2023

|

Henry

For-Profit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

Maps to defend your land

Emily Jacobi

Awana Digital

2023

|

Henry

Nonprofit
Environment
Henry
Global
Nonprofit
Education

The Idea

Level-based foundational learning in India

Merlia Shaukath

Madhi Foundation

2022

|

Rainer

Nonprofit
Education
Rainer
Asia
For-Profit
Environment

The Idea

E-mobility infrastructure in Kenya

Jesse Forrester

Mazi Mobility

2022

|

Rainer

For-Profit
Environment
Rainer
East Africa
Nonprofit
Livelihoods

The Idea

Solar powered cold storage in Kenya

Dysmus Kisilu

Solar Freeze

2022

|

Rainer

Nonprofit
Livelihoods
Rainer
East Africa
For-Profit
Livelihoods

The Idea

Smallholder one-stop-shop in Bangladesh

Fahad Ifaz

iFarmer

2022

|

Rainer

For-Profit
Livelihoods
Rainer
Asia
Nonprofit
Health

The Idea

Sexual Violence Prevention Training

Benjamin Omondi Mboya

Ujamaa Africa

Ujamaa Africa

2022

|

Rainer

Nonprofit
Health
Rainer
East Africa
Nonprofit
Health

The Idea

Peer-led Group Therapy

Tom Osborn

Shamiri Institute

Shamiri Institute

2022

|

Rainer

Nonprofit
Health
Rainer
East Africa
Hybrid
Education

The Idea

Bite-sized Videos for Early Childhood Education

Namya Mahajan

Rocket Learning

Rocket Learning

2022

|

Rainer

Hybrid
Education
Rainer
Asia
Nonprofit
Education

The Idea

Quality Childcare Microbusinesses

Sabrina Habib

Kidogo

Kidogo Early Years

2022

|

Rainer

Nonprofit
Education
Rainer
East Africa
Nonprofit
Collective Action and Policy

The Idea

Escalating Advocacy

Koketso Moeti

amandla. mobi

amandla.mobi

2022

|

Rainer

Nonprofit
Collective Action and Policy
Rainer
Southern Africa
For-Profit
Livelihoods

The Idea

Preservative Coating Technology for Cassava

Pelkins Ajanoh

CassVita

CassVita

2022

|

Rainer

For-Profit
Livelihoods
Rainer
Central Africa
Nonprofit
Environment

The Idea

Livelihoods-First Community Conservation

Paine Eulalia Mako

Ujamaa Community Resource Team

Ujamaa Community Resource Team

2022

|

Henry

Nonprofit
Environment
Henry
East Africa
Nonprofit
Environment

The Idea

A Nature Finance Lab

Candice Stevens

Sustainable Finance Coalition

Sustainable Finance Coalition

2022

|

Henry

Nonprofit
Environment
Henry
Africa Wide
Nonprofit
Environment

The Idea

Community-led Conservation

Adam Miller

Planet Indonesia

Planet Indonesia

2022

|

Henry

Nonprofit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Livelihoods-Focused Community Conservation

Andrew Parker

Conserve Global

Conserve Global

2022

|

Henry

Nonprofit
Environment
Henry
Africa Wide
For-Profit
Environment

The Idea

A Traceable Commodity Trading Platform

Joann de Zegher

PemPem

PemPem

2022

|

Henry

For-Profit
Environment
Henry
Asia
For-Profit
Environment

The Idea

Marine carbon deals

Hassan Sachedina

Sayari Earth

2022

|

Henry

For-Profit
Environment
Henry
Global
Nonprofit
Environment

The Idea

Community-led conservation in Indonesia

Wiza Farhan

Yayasan HAkA

2022

|

Henry

Nonprofit
Environment
Henry
Asia
For-Profit
Environment

The Idea

Artificial reef cubes for undersea development

Tom Birbeck

ARC Marine

2022

|

Henry

For-Profit
Environment
Henry
Global
For-Profit
Environment

The Idea

Tropical forest carbon deals in Indonesia

Jeff Chatellier

Forest Carbon

2022

|

Henry

For-Profit
Environment
Henry
Asia
Nonprofit
Environment

The Idea

Precision land use and cover maps across the Amazon and Indonesia

Tasso Azevedo

MapBiomas

2022

|

Henry

Nonprofit
Environment
Henry
Global
For-Profit
Livelihoods

The Idea

A digital platform to connect urban migrants to jobs and housing in India.

Rushil Palavajjhala

Bandhu Tech

2021

|

Rainer

For-Profit
Livelihoods
Rainer
Asia
Nonprofit
Health

The Idea

"Safe Space" menstrual health training for girls and women in India.

Dilip Pattubala

Uninhibited

2021

|

Rainer

Nonprofit
Health
Rainer
Asia
Nonprofit
Livelihoods

The Idea

Conversion of smallholder farmers into successful commercial farmers in Malawi.

Ko Chijota

GGEM Farming

2021

|

Rainer

Nonprofit
Livelihoods
Rainer
Southern Africa
Nonprofit
Livelihoods

The Idea

Quality-focused platform to link farmers to traders in India.

Vikas Birhma

Gramhal

2021

|

Rainer

Nonprofit
Livelihoods
Rainer
Asia
Nonprofit
Livelihoods

The Idea

Cognitive Behavioral Therapy for hardcore youth rehabilitation in Liberia.

Klubosumo Johnson Borh

Network for Empowerment & Progressive Initiative (NEPI)

2021

|

Rainer

Nonprofit
Livelihoods
Rainer
West Africa
Nonprofit
Health

The Idea

Peer Therapy for Adolescents Living with HIV

Nicola Willis

Zvandiri

Zvandiri

2021

|

Rainer

Nonprofit
Health
Rainer
Africa Wide
For-Profit
Water and Sanitation

The Idea

A Rural Water Utility

Christelle Kwizera

Water Access Rwanda

Water Access Rwanda

2021

|

Rainer

For-Profit
Water and Sanitation
Rainer
East Africa
Nonprofit
Health

The Idea

Community Vaccination Influencers

Varsha Venugopal

Suvita

Suvita

2021

|

Rainer

Nonprofit
Health
Rainer
Asia
For-Profit
Environment

The Idea

One-stop Shop for African Solar Mini-Grids

Fabio De Pascale

NXT Grid

NXT Grid

2021

|

Rainer

For-Profit
Environment
Rainer
West Africa
Nonprofit
Education

The Idea

Quality-daycare Microbusinesses

Grace Matlhape

SmartStart

SmartStart

2021

|

Rainer

Nonprofit
Education
Rainer
Southern Africa
For-Profit
Health

The Idea

Virtual self-care health coaching in Nigeria.

Nneka Mobisson

mDoc Healthcare

2021

|

Rainer

For-Profit
Health
Rainer
West Africa
For-Profit
Livelihoods

The Idea

Business-in-a-phone for young people in Kenya.

Marianne Mwaniki

Avunja Mobile

2021

|

Rainer

For-Profit
Livelihoods
Rainer
East Africa
Nonprofit
Livelihoods

The Idea

Affordable Vet Services

Charlotte Scott

Mafisa

Mafisa Community Transformation Trust

2021

|

Henry

Nonprofit
Livelihoods
Henry
Southern Africa
Nonprofit
Environment

The Idea

Dave Mozersky

Energy Peace Partners

2021

|

Henry

Nonprofit
Environment
Henry
Global
For-Profit
Environment

The Idea

Nature Based Payments for Grasslands

Manuel Piñuela

Cultivo

Cultivo Land

2021

|

Henry

For-Profit
Environment
Henry
Global
Nonprofit
Environment

The Idea

Alemayehu Wassie Eshete

Organization for Rehabilitation and Development (ORDA)

2021

|

Henry

Nonprofit
Environment
Henry
West Africa,East Africa
Nonprofit
Environment

The Idea

Caroline Spears

Climate Cabinet

2021

|

Henry

Nonprofit
Environment
Henry
Global
For-Profit
Environment

The Idea

James Mitchell

BuildX

2021

|

Henry

For-Profit
Environment
Henry
East Africa
For-Profit
Environment

The Idea

Kathy Hannun

Dandelion Energy

2021

|

Henry

For-Profit
Environment
Henry
Global
Nonprofit
Environment

The Idea

Rodrigo Botero Garcia

Fundación para la Conservación y el Desarrollo Sostenible

2021

|

Henry

Nonprofit
Environment
Henry
Latin America
For-Profit
Environment

The Idea

Ariana Day Yuen

Forested

2021

|

Henry

For-Profit
Environment
Henry
East Africa
Nonprofit
Conservation

The Idea

Shi Xiangying

Shan Shui Conservation Center

2021

|

Henry

Nonprofit
Conservation
Henry
Asia
Nonprofit
Health

The Idea

Sara Saeed Khurrum

Sehat Kahani

2020

|

Rainer

Nonprofit
Health
Rainer
Asia
For-Profit
Livelihoods

The Idea

Muhammad Mustafa

Mauqa Online

2020

|

Rainer

For-Profit
Livelihoods
Rainer
Asia
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Learn more about our Fellowships

Our Fellowships