Prof. Delavar is Director, Center of Excellence in Geomatic Eng. in Disaster Management and Director, Land Administration in Smart City Lab., School of Surveying and Geospatial Eng., College of Engineering, University of Tehran. Dr. Delavar has received a BSc. in Civil Eng.-Surveying from KNT, Iran in 1989, MSc in Civil Eng. -Photogrammetry and RS from University of Roorkee, India in 1992 and a PhD in Geomatic Eng.-GIS from UNSW, Australia in 1997. He was the chair of International Society of Photogrammetry and Remote Sensing (ISPRS) WG IV/3 (Spatial Statistics, Analysis and Uncertainty Modeling), 2016-2022, Chair of WG IV/2 (Artificial Intelligence and Uncertainty Modeling in Spatial Analysis), 2022-2024 and is the advisor of the WG. He is Iran's representative to International Society of Urban Data Management. Prof. Delavar is founder of Iranian Society of Surveying and Geomatics Eng. and is in the editorial board of ISPRS IJGI and GSIS. Prof. Delavar has published more than 420 papers in conferences and Journals and supervised 126 Postgraduate theses and Postdoc research. His research interests are in spatial uncertainty modeling, temporal GIS, smart cities, land administration, SDI, UBGIS, spatial data fusion, urban growth modeling and LULC modeling.