Hari Tulsidas is a senior expert in sustainable energy and natural resource management, with over 30 years of experience in various fields and sectors. He has worked on projects related to nuclear power, critical raw materials, sustainable development, environmental performance, circular economy, and the food-water-energy nexus. He has also provided policy advice, strategic planning, business models and competitiveness analysis, and technological innovation support to various stakeholders, including governments, international organizations, the private sector, and civil society. Hari is involved in the United Nations Resource Management System, where he contributes to developing and implementing global standards and best practices for managing natural resources sustainably and efficiently.