Dr. Elsaka received his B.Sc. in Geophysics from Mansoura University, Egypt, in 1999 and his M.Sc. in Geophysics from Helwan University, Egypt, in 2003. He earned his Ph.D. in Engineering, specializing in Physical and Satellite Geodesy, from the University of Bonn, Germany, in 2010. His primary research interests focus on geodetic and geophysical issues using various terrestrial and satellite-based datasets. Since 2017, he has been a permanent scientific research staff member in the Astronomical, Physical, and Mathematical Geodesy Group at the Institute for Geodesy and Geoinformation (IGG), the University of Bonn.