Dr. Mohamed M.R. Mostafa is the Lead Technical Authority, Mobile Mapping at Trimble Applanix. He obtained his Ph.D. in geomatics engineering from the University of Calgary, Canada in 1999. He has over 23 years of experience in system design, development, integration, calibration, and quality control for airborne, land, and indoor applications. He participated in over 200 technical publications including the Manual of Photogrammetry and The DEM User Manual. He served as Vice President of Commission I (sensors and platforms) for the International Society for Photogrammetry and Remote Sensing (ISPRS) from 2008 to 2012 and as the Chair of the Direct Georeferencing Committee of the American Society for Photogrammetry and Remote Sensing (ASPRS) from 2000 to 2010. He received 11 international awards in the last 30 years. He also delivered technical workshops and tutorials in many conferences and symposia in the last 30 years.