James Balog Speaking Fee: $30,000 to $50,000

Céline Cousteau

Filmmaker, Explorer, Spokesperson, Consultant, Jewelry Designer, Author, Podcaster

Céline Cousteau is an environmental activist, international speaker, documentary filmmaker, facilitator, and author committed to sharing the vital message of interconnectivity between humans and the natural world. With a degree in Psychology & a Masters in Intercultural Relations, Céline weaves storytelling and experiential practices to help people reconnect to self, community, and Nature. Founder of CauseCentric Productions, Céline creates impactful, cause-focused content. In 2025-2026, Céline will join an incredible expedition that will map the length of the Amazon River from a newly discovered spring in Peru to the Atlantic Ocean.

Anastasia Cole Plakias

Co-founder and Chief Operating Officer of Brooklyn Grange

Anastasia Cole Plakias is co-founder and Chief Operating Officer of Brooklyn Grange Rooftop Farm. An accomplished public speaker, award-winning writer, and published photographer, Anastasia is a passionate and outspoken crusader for fresh, healthy foods and greener, more sustainable cities. She works to leverage Brooklyn Grange as a platform for positive conversations about food and farming, and a resource for community building and education.

Sophia Kianni

Sophia Kianni is a 20 year old Iranian-American climate activist studying science, technology, and society at Stanford University. She is the founder and executive director of Climate Cardinals, an international nonprofit with 8,000 volunteers in 40+ countries working to translate climate information into 100+ languages. She also represents the United States as the youngest member of the inaugural United Nations Youth Advisory Group on Climate Change. She sits on boards and advisory councils for The New York Times, World Economic Forum, Inkey List, Iris Project, Ashoka, and American Lung Association.

Majora Carter

Real Estate Developer, Urban Revitalization Strategy Consultant & Broadcaster

Majora Carter is a real estate developer, urban revitalization strategy consultant, MacArthur Fellow and Peabody Award winning broadcaster. She's responsible for the creation of numerous economic development, technology inclusion & green-infrastructure projects, policies and job training & placement systems. She is also a lecturer at Princeton University's Keller Center.

Doug Tallamy

Professor of Entomology and Wildlife Ecology | Best-Selling Author | Co-Founder of Homegrown National Park | Leading Voice in Biodiversity and Conservation

Doug Tallamy is the T. A. Baker Professor of Agriculture in the Department of Entomology and Wildlife Ecology at the University of Delaware, where he has authored 106 research publications and has taught insect-related courses for 41 years. Chief among his research goals is to better understand the many ways insects interact with plants and how such interactions determine the diversity of animal communities. His awards include recognition from The Garden Writer’s Association, Audubon, The National Wildlife Federation, Western Carolina University, The Garden Club of America, and The American Horticultural Association.

Robin Chase

Transportation Entrepreneur | Co-Founder of Zipcar | Author of "Peers Inc" | Advocate for Sustainable Mobility & Innovation

Robin Chase is a transportation entrepreneur. She is co-founder and former CEO of Zipcar, the largest carsharing company in the world; as well as co-founder of Veniam, a network company that moves terabytes of data between vehicles and the cloud. Her recent book is Peers Inc: How People and Platforms are Inventing the Collaborative Economy and Reinventing Capitalism. Her current passion is working with cities to maximize the transformation possible with the introduction of self-driving cars.

Lewis Pugh

UN Patron of the Oceans | Pioneer Swimmer & Environmental Advocate | National Geographic Adventurer of the Year | Inspiring Speaker on Sustainability, Leadership, & Achieving the Impossible

Lewis Pugh is an endurance swimmer, a maritime lawyer, and the UN Patron of the Oceans. He pioneers swims in the most vulnerable ecosystems on Earth to campaign for their protection. He was the first person to complete a long-distance swim in every ocean of the world. His dream is to fully protect 30% of the world’s oceans by 2030. Lewis talks about the methods he uses – a clear vision, the right mind-set, choosing a high performance team, meticulous preparation, never quitting, and having the flexibility to change when circumstances dictate.

Christine Todd Whitman

Former Governor of New Jersey | EPA Administrator | President of The Whitman Strategy Group | Advocate for Environmental Policy & Political Reform

Christine Todd Whitman is a former Governor of New Jersey and served as the Administrator of the Environmental Protection Agency (EPA) under President George W. Bush. She is the President of The Whitman Strategy Group, a consulting firm specializing in energy and environmental issues. Whitman is a prominent advocate for environmental policy and political reform, and she continues to be an influential voice in these areas.

Robin Wall Kimmerer

Author of 'Braiding Sweetgrass' | Distinguished Teaching Professor at SUNY | Speaker on Environment and Indigenous Knowledge

Robin Wall Kimmerer is an accomplished author, scientist, and educator, recognized for her work that blends indigenous knowledge with scientific understanding. An enrolled member of the Citizen Potawatomi Nation, she is a SUNY Distinguished Teaching Professor of Environmental Biology and the founder of the Center for Native Peoples and the Environment. Her renowned books, including Braiding Sweetgrass and Gathering Moss, have garnered wide acclaim for their insightful exploration of humanity's relationship with the natural world.

Al Gore

Former Vice President of the United States | Nobel Peace Prize Laureate | Speaker on Climate Change and Environmental Advocacy

Al Gore, the 45th Vice President of the United States, is a renowned environmental activist and Nobel Laureate. He co-founded the Climate Reality Project and has authored several best-selling books on climate change. Gore's documentary, "An Inconvenient Truth," received two Academy Awards and significantly raised global awareness on climate issues. As a keynote speaker, his insights on sustainability and policy inspire audiences worldwide.

Bill McKibben

Environmental Activist | Founder of 350.org & Third Act | Schumann Distinguished Scholar | Award-Winning Author on Climate Change & Social Justice

Bill McKibben is founder of Third Act, which organizes people over the age of 60 for action on climate and justice. His 1989 book The End of Nature is regarded as the first book for a general audience about climate change, and has appeared in 24 languages. He’s gone on to write 20 books, and his work appears regularly in periodicals from the New Yorker to Rolling Stone.

Greta Thunberg

Climate Change Activist

Greta Thunberg is a Swedish climate activist. In August 2018, Greta Thunberg started a school strike for the climate outside the Swedish Parliament that has since spread all over the world and now involves over 100,000 schoolchildren. The movement is now called Fridays For Future. Thunberg has spoken at climate rallies in Stockholm, Helsinki, Brussels and London. In December she attended the United Nations COP24 in Katowice, Poland, where she addressed the Secretary-General.

Jill Stein

Green Party Presidential Candidate | Physician and Health Advocate | Speaker on Climate Action and Social Justice

Dr. Jill Stein is a renowned physician, public health advocate, and experienced political leader. As the Green Party's presidential candidate in both 2012 and 2016, she brought critical issues such as environmental sustainability and social justice to the national stage. Beyond politics, Dr. Stein is recognized for her insightful commentary on healthcare reform and climate action. Her expertise makes her a compelling and informed keynote speaker, capable of engaging diverse audiences.

David Suzuki

Geneticist and Author of 'The Sacred Balance' | Co-Founder of the David Suzuki Foundation | Speaker on Environmental Science and Sustainability

David Suzuki is an acclaimed environmentalist, scientist, and broadcaster. He has authored over 50 books, received the prestigious Right Livelihood Award, and co-founded the David Suzuki Foundation. With decades of experience, Suzuki is a powerful advocate for sustainability and climate action. His insights inspire leaders and audiences worldwide to create a better, greener future.