05 Influential Sustainability Leaders in 2025
In a world where tradition often slows progress, James de Roany is taking a bold new path. As the cofounder and CEO of Green Gen Technologies, based in France, James is showing how innovation and sustainability can work together to create a new kind of business. Green Gen Technologies is not just another eco-friendly startup—it is a fast-growing company that blends deep respect for materials with modern, profitable solutions for the packaging industry.
Luke Deamer is the Group Sustainability Manager at Keller, a global company that builds foundations for buildings and infrastructure. His journey into sustainability has been both personal and professional, shaped by his background in geology, experiences on large-scale projects, and a deep concern for the environment and society. At Keller, Luke plays a key role in guiding sustainability efforts across the entire organization. When he first joined, he was the only person focusing on sustainability in a company of 10,000 people.
Monty Simus serves as the Global Director of Public Affairs, Policy, and Blue Finance at The Ocean Cleanup, an international nonprofit organization focused on removing plastic waste from the world’s oceans. With millions of kilograms of plastic already removed, The Ocean Cleanup operates in eight countries with over twenty active projects. The organization tackles pollution by intercepting plastic from rivers before it reaches the ocean and by cleaning up legacy plastic already floating in places like the Great Pacific Garbage Patch.
Fifty Shades Greener
Raquel Noboa is the founder and CEO of Fifty Shades Greener, a company dedicated to teaching environmental sustainability. Originally from Spain, she has lived in Ireland for more than 25 years. Raquel’s journey is marked not only by her commitment to sustainability but also by her love for fun and laughter. Joy is a core part of her identity, and she has carried this energy into both her personal life and her professional mission. As CEO, she guides her company with a strong focus on people, the planet, and profit—always in that order.
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