Natalie Kyriacou OAM

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

Corrado Maria Daclon

Italian Scientist & Journalist; Professor of Environmental Policy and Geopolitics at the Ca' Foscari University of Venice

Urvashi Rangan

Chief Science Advisor for the GRACE Communications Foundation & Former Executive of Food Safety & Sustainability at Consumer Reports

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

Tristram Stuart

Founder of Toast Ale, Food Waste Activist, Author

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Fiona Harvey

Environmental Correspondent, The Guardian.

Leslie Dodson

Reporter & Videographer Covering International Finance, Economics, and Politics

Lori Dennis

Celebrity Interior Designer, Green Living Expert, Influencer, & Author

Jonathan Merritt

Award-Winning Faith & Culture Writer

Patrick J. Michaels

Senior fellow at the Cato Institute & Research Professor of Environmental Sciences at the University of Virginia

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Judith Levine

Journalist, Author, and Activist

Bruce Vincent

Agriculture Activist and Motivational Speaker

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

Kathy Madden

Senior Vice President, Project for Public Spaces

Eugene Linden

Eugene Linden has been writing about science, technology, the environment and humanity's relationship with nature in books, articles, and essays for 25 years.

Peter Krull

Peter Krull is president of Krull & Company, one of the East Coast's leading socially and environmentally responsible financial services firms. An industry veteran who started his career with Merrill Lynch, he founded his firm in 2004 with the sole purpo

Fred Kent

Founder & President of Project for Public Spaces