Antonios Tsiligiannis is a Greek-American licensed architectural engineer, urban planner, and urban designer with over nine years of professional experience. Currently working as a project and Regions Working Group coordinator for POLIS Network, he has previously worked with several private and public practices in Belgium, France, and Greece, across various spatial scales, including architecture, urban design, and metropolitan planning. In his ongoing PhD thesis at the National Technical University of Athens, he is researching the relationship between large-scale projects, urban development, and sustainable and resilient planning. He was also a French Department of State Fellow and a Bodossaki Foundation Scholar.