Mahmoud Reza Delavar has obtained a BSc. in Civil Eng.-Surveying from KNT University, Iran in 1988, a 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. Dr. Delavar has joined College of Eng., University of Tehran (UT) in 1998 and is a Prof. in GIS and Director, Center of Excellence in Geomatic Eng. in Disaster Management, UT. Prof. Delavar has founded Iranian Society of Surveying and Geomatic Eng. in 2001. He is the national representative to the International Society of Urban Data Management, Scientific Secretary of International Society for Photogrammetry and Remote Sensing (ISPRS) WG II/4, 2008-2012, and chairing WG IV/3, 2016-2022. Prof. Delavar was the representative of University of Tehran in the International Geomatic network for networks. Dr. Delavar is in the editorial board of a number of international scientific Journals such as ISPRS IJGI and GSIS. Prof. Delavar has published 370 papers in national and international conferences and scientific Journals and supervised 108 postgraduate theses. His research interests are in spatial data quality and uncertainty modeling, spatio-temporal GIS, disaster management, smart cities, land administration, SDI, spatial data fusion and spatial data science.