Demet Yesiltepe is an urban planner and designer, and currently a PhD student in Architecture and Built Environment at Northumbria University. Her PhD research contributes to the understanding of how spatial layouts, particularly the presence of landmarks, affect people’s navigational performances and what factors make it easier or more challenging for people to find their way. Her research interests include geographic information systems (GIS), space syntax, spatial analysis, walkability, urban form modeling and urban design.