David Bornstein

Author, Fixes column in The New York Times and Founder, Solutions Journalism Network

Roger Martin

Management Thinker, Author, Strategist & Advisor

A Plan Is Not a Strategy - YouTube

Vicky Colbert

Founder & Director of Fundación Escuela Nueva

William Drayton

Founder and CEO, Ashoka

Brian Trelstad

Chief Investment Officer, Acumen Fund

Maximilian Martin

Global Head, Philanthropy Services, UBS

Kirk Hanson

Executive Director of the Markkula Center for Applied Ethics at Santa Clara University and John Courtney Murray S.J. University Professor of Social Ethics

Jim Fruchterman

President and CEO, Benetech

David Bonbright

CEO, Keystone Accountability.

Rupert Howes

CEO, Marine Stewardship Council

Martin Burt

Executive Director, Fundacíon Paraguaya

Jeff Skoll

Founder of Participant Media

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Alex Jacobs

Director of Research, Keystone Accountability

Pat Mitchell

Editorial Director & Host of TEDWomen; Co-Chair of the Women's Media Center; Former President of CNN Productions & PBS

J.B. Schramm

Founder and CEO, College Summit

Alex Nicholls

Lecturer in Social Entrepreneurship, Skoll Centre for Social Entrepreneurship

Martin Von Hildebrand

Director, Fundación Gaia Amazonas

Ron Grzywinski

ShoreBank Corporation, ShoreBank Corporation.

Lord Anthony Giddens

House of Lords.

Marc Freedman

Founder & CEO of Encore.org; World Economic Forum Social Entrepreneur of the Year

Toby Eccles

Director, Social Finance Ltd.

Ken Brecher

President, Library Foundation of Los Angeles, Former Executive Director, Sundance Institute.

David Blood

Managing Partner, Generation Investment Management U.S. LLP

Colin Mayer

Peter Moores Dean, Peter Moores Professor of Management Studies, Saïd Business School

Cara Mertes

Director, Sundance Institute

Joe Madiath

Social Entrepreneur; Founder and Executive Director, Gram Vikas

Vera Cordeiro

Founder and CEO, Associação Saúde Criança

Stephan Chambers

Director of the MBA, Saïd Business School, University of Oxford , Chair of the Standing Committee, Skoll Centre for Social Entrepreneurship

Gidon Bromberg

Israeli Director, EcoPeace