Natalie Kyriacou OAM

Environmental & Social Impact Leader, Australian Top Innovator & Australia’s Top ‘Green’ Voice

Temple Grandin

World-Famous Animal Scientist, Autism Advocate & Author of "Thinking in Pictures: My Life With Autism"

Keynote: Dr. Temple Grandin - YouTube

Timothy Beatley

Professor of Sustainable Communities at the University of Virginia & Author

Nina Fedoroff

Molecular Biologist; Biotechnology Expert & Professor of Biology at Penn State

Kartik Chandran

Environmental Engineer & Professor at Columbia University; Global Leader in Sustainable Wastewater Treatment & Engineered Resource Recovery

Tyson Jerry

World Record Holder for Distance on Alternative Fuel; Specialist in Alternative Fuel & Transportation; Photographer

Todd Sampson

Non-Executive Chiarman of Leading Communication Company Leo Burnett and Co-Creator of the Earth Hour Initiative

Jan Schlichtmann

Environmental Lawyer & Author; Subject of the Book & Film "A Civil Action"

Environmental and Civil Justice Attorney Jan Schlichtmann to present SIU Lesar Lecture

Doug Fine

Bestselling Author & Award-Winning Documentary Film Director; Food Security Advocate, Regenerative Hemp Farmer & Solar-Powered Goat Herder

Ian Dunbar

Renowned Veterinarian, Dog Trainer, and Animal Behaviorist; Director of The Center for Applied Animal Behavior

How To Teach A New Dog Old Tricks: The Sirius Puppy Training Manual

Chris Turner

Author, Sustainability & Global Cleantech Expert

Jasmine Crowe-Houston

Award-Winning Social Entrepreneur, Environmental Advocate, Founder & CEO of Sustainable Waste Management Company Goodr

Mariana Tosca

Actor, Producer & Social Activist; Serving on Advisory Council of Save the Chimps

Actor / Activist Mariana Tosca speaks at VegFest LA 2017

Dr. Alex Hershaft

Animal Rights Activist; Holocaust Survivor; Co-Founder & President of the Farm Animal Rights Movement (FARM)

Alex Hershaft: From the Warsaw Ghetto to a Life of Compassion

Sonali Prasad

Environmental Journalist; TED 2021 Fellow; Mixed-Media Artist

Daphne Frias

Climate Change, Disability & Environmental Activist

Bruce Bekkar, MD

Women’s Health Physician, Climate Activist, Speaker & Author

The climate crisis is not your fault, but it is your problem | Bruce Bekkar | TEDxNewRiver

Zackery Rago

Director of Science and Education for Teens 4 Oceans, Featured in "Chasing Coral" Documentary

Kate Brandt

Chief Sustainability Officer at Google & Nation's First Federal Chief Sustainability Officer for the Obama Administration

Gary Paul Nabhan

Agricultural Ecologist, Ethnobotanist & Director of the University of Arizona Center for Regional Food Studies; Author

Cumin, Camels, and Caravans: A Spice Odyssey (Volume 45)