Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Pierre Ferrari

Global Sustainability Advisor; Former President & CEO of Heifer International

Sara Menker

Founder & CEO of Gro Intelligence; Global Young Leader by the World Economic Forum & African Leadership Initiative Fellow

Marcus Lemonis

Serial Entrepreneur, Investor and Leadership Expert; Chairman and CEO of Camping World; Star of CNBC 'The Profit', 'Streets of Dreams' and HGTV's 'The Renovator'; Philanthropist and Founder of The Lemon-AID Foundation

Jim Richardson

National Geographic Photographer; Agriculture & Travel Speaker; Co-Founder of Eyeson Earth

Inger Andersen

Executive Director, United Nations Environment Programme and & UN Under-Secretary-General

Inger Andersen - Rotary Conversation

Ertharin Cousin

CEO & Founder of Food Systems for the Future; former Executive Director, World Food Programme

Ertharin Cousin | Undergraduate Commencement Speaker

Raul Gauto

President of the Juntos por la Educación Foundation

Curt Ellis

FoodCorps Co-Founder & Co-CEO

Cid Simoes and Paola Segura

Sustainable Agriculturists and Development Experts

Will Allen

Pioneer in the Urban Farming Movement, Author & Founder of Growing Power

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Wendell Berry

Author, Academic, Cultural and Economic Critic, and Farmer

Pamela Ronald

Scientist, Professor of Plant Pathology at the University of California - Davis; Expert in the Challenges of Farming

Becky McCray

Small-Town Entrepreneur, Cattle Rancher & Co-Founder of SaveYour.Town

Makaziwe Mandela

Daughter of Nelson Mandela & Director of the House of Mandela Family Foundation

Deb Cripps & Carl Hiebert

Dynamic duo - best selling authors, photographers celebrate unsung heroes!

Neil Jacobsohn

Global Futurist, Strategist, Facilitator & Entrepreneur

Futureworld Create Tomorrow

Bruno Wiskel

"The Prosperous Farmer" Helping people in agriculture become outstanding in their field!

Bob Langert

Senior Sustainability Associate, The Context Network Editor at Large for GreenBiz & Author of "The Battle To Do Good: Inside McDonald's Sustainability Journey"

Howard Shapiro

Chief Agricultural Officer & Mars Advanced Research Institute Fellow at Mars Incorporated

Thomas Vilsack

Former Secretary of Agriculture, U.S. Department of Agriculture, President and CEO of U.S. Dairy Export Council

Heidi Kuhn

Roots of Peace, Founder & CEO; Author of "Breaking Ground"

Breaking Ground: From Landmines to Grapevines, One Woman's Mission to Heal the World

Walter Robb

Food Retail Expert & Food Access Advocate; Principal at Stonewall Robb Advisors; Former Co-CEO of Whole Foods Market

Mark Johnson

CEO of Zite

Ann Veneman

Former Executive Director at UNICEF & US Secretary of Agriculture

California Department of Food & Agriculture's Centennial ...

Glenn Roberts

Wheat and Rice Farmer; Owner of Anson Mills

Daniel Glickman

Former U.S. Secretary of Agriculture; Former Congressman (D-KS); Senior Fellow at the Bipartisan Policy Center

Jesse Ziff Cool

Writer, Restaurateur & Spokesperson For Sustainable Agriculture; Chef Known For Flea Street Café

Vikram Mansharamani

Academic Author, Advisor, Global Trend-Watcher & Lecturer at Harvard University