Nonprofit Leadership Speakers

Mezzo profiles 44 nonprofit leadership speakers, including Rajiv Shah, Jonathan Denis Ryan, and Karen Barr. Each has a verified gig record.

Together they've given 48 talks across 21 events.

Who are the top nonprofit leadership speakers?

44 speakers · showing 1–24

David Miliband

CEO of International Rescue Committee | Former UK Foreign Secretary

🇺🇸New York, United States6 talks

Foreign Policy & Diplomacy

Humanitarian & Global Development

Vera de Kok

Wikimedia editor, Wikimedia Media Contributor of the Year 2025

4 talks

Nonprofit Leadership

Artis Stevens

President & CEO at Big Brothers Big Sisters of America

🇺🇸United States3 talks

Nonprofit Leadership

Social Impact

Anne Pasternak

CEO of Creative Time | Empowering Art to Move, Motivate and Inspire

🇺🇸United States2 talks

Nonprofit Leadership

Social Impact

Chelsea Clinton

Vice Chair | Clinton Foundation

2 talks

Nonprofit Leadership

Philanthropy & Giving

Claire Sadler

WACL President 2025/26 and Chief Marketing and Fundraising Officer | The British Heart Foundation

2 talks

Marketing & Brand

Nonprofit Leadership

Esther Benjamin

Not-for-Profit/Foundation Leader

2 talks

Nonprofit Leadership

Alexandre Mars

Social Impact Entrepreneur | Founder of Epic Foundation Bridging Business and Philanthropy

🇫🇷France1 talk

Nonprofit Leadership

Philanthropy & Giving

Rye Barcott

U.S. Marine and Harvard MBA | Co-founder transforming lives in Sub-Saharan Africa's largest informal settlement

🇺🇸United States1 talk

Nonprofit Leadership

Social Impact

Agnès Callamard

Secretary General | Amnesty International

1 talk

Civil Liberties & Digital Rights

Human Rights

Carlos Madjri Sanvee

Secretary General at World YMCA

1 talk

Nonprofit Leadership

Andrew Calkins

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Atnre Alleyne

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Byron Auguste

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Philanthropy & Giving

Kathleen Caliento

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Lori Alhadeff

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Anthony Calhoun

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Lawrence Bartley

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

Naomi Boyer

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

William Brown

Not-for-Profit/Foundation Leader

1 talk

Nonprofit Leadership

JR

Jonathan Denis Ryan

President and CEO at RAICES

1 talk

Human Rights

Human Rights & Justice

RS

Rajiv Shah

President at The Rockefeller Foundation

1 talk

Global Development

Nonprofit Leadership

KB

Karen Barr

Managing Director, Individual Giving at Share Our Strength | No Kid Hungry

1 talk

Nonprofit Leadership

Poverty Alleviation

DG

Deborah Garcia

Chief Development Officer at MSF USA

1 talk

Humanitarian & Global Development

Nonprofit Leadership

Rising speakers

Active, up-and-coming voices in Nonprofit Leadership - beyond the household names

JS

Jessica Sibley

Chief Operating Officer, UNICEF | Driving Global Social Impact

3 recent talks · through 2025

Artis Stevens

President & CEO at Big Brothers Big Sisters of America

2 recent talks · through 2026

Claire Sadler

WACL President 2025/26 and Chief Marketing and Fundraising Officer | The British Heart Foundation

2 recent talks · through 2026

Esther Benjamin

Not-for-Profit/Foundation Leader

2 recent talks · through 2026

Vera de Kok

Wikimedia editor, Wikimedia Media Contributor of the Year 2025

1 recent talk · through 2025

VM

Vivek Maru

CEO of Namati | Empowering Legal Empowerment Worldwide

1 recent talk · through 2026

Chelsea Clinton

Vice Chair | Clinton Foundation

1 recent talk · through 2026

Alexandre Mars

Social Impact Entrepreneur | Founder of Epic Foundation Bridging Business and Philanthropy

1 recent talk · through 2025

See all rising Nonprofit Leadership speakers