Ernest Moniz is an esteemed American nuclear physicist and a former U.S. Secretary of Energy, having served from 2013 to 2017 under President Barack Obama. With a career deeply rooted in the intersection of science and policy, Moniz brings a wealth of knowledge and experience to discussions on energy and climate change. His insights are particularly valuable in today's rapidly evolving energy landscape, where innovation and sustainable practices are more crucial than ever. Before his tenure as Secretary of Energy, Moniz was a professor at the Massachusetts Institute of Technology (MIT). At MIT, he directed the MIT Energy Initiative, a programme dedicated to advancing energy technology and policy through research and collaboration. This role allowed him to influence the direction of energy research and to foster partnerships that have had a lasting impact on the field. Moniz's work has consistently focused on the critical areas of energy policy, innovation, and climate change. His expertise in these domains makes him a sought-after speaker, as he offers a unique perspective that bridges the gap between scientific research and practical policy implementation. His contributions to energy technology and climate change mitigation strategies are informed by his extensive academic background and his experience in government. Throughout his career, Moniz has faced the challenge of balancing the demands of energy production with the urgent need for climate change mitigation. His efforts have been recognised through various awards and honours, underscoring his commitment to finding sustainable solutions to complex energy issues. Moniz's ability to navigate these challenges and his dedication to advancing energy policy make him a compelling voice in the ongoing dialogue about our planet's future.