Dr. Ying-Chih Deng-Sommer takes charge of Circular Built Environment initiatives, leveraging his expertise in architecture and environmental impact management to influence policies and practices related to circular development. He places a strong emphasis on promoting innovation and resource efficiency. His proven track record and contributions are pivotal in advancing the goal of establishing sustainable built environments within urban areas. Furthermore, Ying-Chih plays a crucial role in fostering collaboration between cities and businesses, thereby facilitating the emergence of circular innovation in practice.