Mezzo profiles 44 nonprofit leadership speakers, including Jonathan Denis Ryan, Rajiv Shah, 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
Jonathan Denis Ryan
President and CEO at RAICES
Rajiv Shah
President at The Rockefeller Foundation
Karen Barr
Managing Director, Individual Giving at Share Our Strength | No Kid Hungry
Deborah Garcia
Chief Development Officer at MSF USA
Ishmam Raidah Rahman
Director, Audience and Donor Strategy at International Rescue Committee
Lindsay Marino Long
VP, Donor Engagement & Retention at Faircom NY
Shawnda Hollon
Director, Donor Stewardship & Engagement at USO
Henrietta Fore
UNICEF Executive Director | Pioneering Humanitarian Leadership
David Miliband
CEO of International Rescue Committee | Former UK Foreign Secretary
Vera de Kok
Wikimedia editor, Wikimedia Media Contributor of the Year 2025
Jessica Sibley
Chief Operating Officer, UNICEF | Driving Global Social Impact
Artis Stevens
President & CEO at Big Brothers Big Sisters of America
Anne Pasternak
CEO of Creative Time | Empowering Art to Move, Motivate and Inspire
Vivek Maru
CEO of Namati | Empowering Legal Empowerment Worldwide
Chelsea Clinton
Vice Chair | Clinton Foundation
Claire Sadler
WACL President 2025/26 and Chief Marketing and Fundraising Officer | The British Heart Foundation
Esther Benjamin
Not-for-Profit/Foundation Leader
Alexandre Mars
Social Impact Entrepreneur | Founder of Epic Foundation Bridging Business and Philanthropy
Rye Barcott
U.S. Marine and Harvard MBA | Co-founder transforming lives in Sub-Saharan Africa's largest informal settlement
Agnès Callamard
Secretary General | Amnesty International
Carlos Madjri Sanvee
Secretary General at World YMCA
Deepa Narayan
Poverty Researcher | Transforming Global Development
Jake Wood
Founder & CEO | Veteran-Led Crisis Response & Disaster Relief
Kathy Hull
Educator & Nonprofit Co-Founder | Empowering Youth Through Community
Rising speakers
Active, up-and-coming voices in Nonprofit Leadership - beyond the household names
Jessica Sibley
Chief Operating Officer, UNICEF | Driving Global Social Impact
Artis Stevens
President & CEO at Big Brothers Big Sisters of America
Claire Sadler
WACL President 2025/26 and Chief Marketing and Fundraising Officer | The British Heart Foundation
Esther Benjamin
Not-for-Profit/Foundation Leader
Vera de Kok
Wikimedia editor, Wikimedia Media Contributor of the Year 2025
Vivek Maru
CEO of Namati | Empowering Legal Empowerment Worldwide
Chelsea Clinton
Vice Chair | Clinton Foundation
Alexandre Mars
Social Impact Entrepreneur | Founder of Epic Foundation Bridging Business and Philanthropy