Nestor has extensive experience in supporting businesses and public administrations in integrating circular economy principles into their operations. As a circular economy expert at ICLEI Europe, he works with local and regional governments across the continent to advance circular solutions by providing guidance, facilitating peer exchange, supporting implementation, and advocating for an enabling policy framework. He firmly believes that by slowing, narrowing, closing, and regenerating material loops, cities and regions can play a pivotal role in driving climate neutrality and generating broader economic and societal benefits.