Achilleas Psyllidis is an Assistant Professor of Location Intelligence and Spatial Analysis at Delft University of Technology (TU Delft). He leads the Urban Analytics Lab at the Faculty of Industrial Design Engineering. He directs the Social Urban Data Lab at the Amsterdam Institute for Advanced Metropolitan Solutions as a Research Fellow. In addition, he is affiliated with the Leiden-Delft-Erasmus Centre for BOLD Cities.

His research spans the fields of city design, urban mobility, and spatial data science. He focuses on measuring and evaluating urban design qualities that contribute to more walkable, sustainable, healthy, and welcoming cities for all. He is convinced that in order for cities to achieve their public health and sustainability goals, quantifiable targets and standards must be developed and consistently measured. As a result, he develops evidence-based measurable indicators, which are frequently co-created with stakeholders, to help cities transition to a healthier, fairer, and more sustainable future for all citizens. He incorporates these metrics into software tools to assist designers, planners, and policy-makers in assessing pedestrian accessibility, walkability, safety, playability, and other perceived qualities of the physical environment. To identify, represent, and prioritize the factors that ensure our urban spaces are accessible, welcoming, and healthy, he brings together approaches from urban science, public health, and systems thinking with cutting-edge mobility research and spatial data science methods.