Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Dean Hill

President & Principal Designer, Terratecture/Urban Design Founder, GreenDeanTV.com; Personality on "Grounds for Improvement" on the DIY Network

Josh Dorfman

Environmental Entrepreneur; Founder & CEO of Simbly

Sabrena Schweyer

Landscape Designer & Garden Specialist

Tim Duggan

Sustainable Landscape Architect & Community Planner

Jamie Durie

Host of HGTV's "The Outdoor Room"; Award-Winning Designer, Author, Host & Environmentalist

Michael Weishan

Host of "Garden Earth" and "The Victory Garden" on PBS

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Karen Strohbeen

The Perennial Gardener with Karen Strohbeen, PBS

Josh Schneider

Gardening Expert and the Host of "First Time Gardener" on the DIY Network.

Faber Dewar

Carpenter on TLC's "Trading Spaces"

Tom Colicchio

Chef & Owner of Crafted Hospitality

Danny Boome

Star of Food Network's "Rescue Chef"

Jeff Speck

City Planner & Urban Designer; Advocates for Smart Growth & Sustainable Design, Author of "Walkable City"

CIVIQ 2023 with Jeff Speck

Tristram Stuart

Environmental Campaigner, Author & Businessman

Kelsey Timmerman

Investigative Reporter on Globalization & Author of "Where Am I Eating?" and "Where Am I Wearing?"

Josh Tetrick

Social Entrepreneur, Speaker and Writer; CEO of Hampton Creek

Kevin Rabinovitch

Global Director, Sustainability Mars, Inc.

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Chris Lambton

Lifestyle Expert; Media Personality; "Bachelorette" & HGTV Star

Teresa Palmer

Actress, Writer & Model

Dr. Doug Arent

Executive Director, Joint Institution for Strategic Energy Analysis, The National Renewable Energy Labratory

Peter Thum

Co-Founder & CEO of Muse; Founder of Ethos Water

Jeffrey Hollender

Co-Founder of Seventh Generation and Author of "The Responsibility Revolution: How the Next Generation of Businesses Will Win"

Joel Makower

Expert in Sustainable Business, Clean Technology, and the Green Marketplace; Founder of GreenBiz.com

Ron Finley

Grower of a Nourishing Food Culture in South Central L.A.’s Food Desert

Niall Dunne

Chief Sustainability Officer, BT

Tracy Wolstencroft

Chairman Of The Board at Heidrick & Struggles; Former President & CEO of National Geographic Society

Jason Wolf

Vice President Better Place.