Dr. Adel El-Shazly, Graduated in 1985 from the Faculty of Engineering, Cairo University. Since 1985 he had been working at Public Works Department, Faculty of Engineering, Cairo University. He got his MSc. degree in 1989 and Ph.D. in 1995. Dr. El-Shazly was Associate Professor from 2001 to 2006, He has been working as Professor of surveying and Geodesy since 2006. He has industrial experience in the field of surveying and mapping. He has been working as director for ELWADY GROUP for Engineering Consultations Office since 1997.  His research interests are Vertical datum and Geoid determination, GNSS Precise point Positioning, Surveying and Map Production from satellite images, GIS & Remote Sensing applications, Hydrographic Survey