He is responsible for installing and running the Ethiopian National GPS Network, which is used for the definition of the national reference frame, infrastructure development, geohazard monitoring and tectonic studies. His research focuses on using high-precision gravity and geodetic measurements, such as InSAR and GPS, to understand tectonic activity and volcano deformation. He also acts as a consultant for ground water exploration for various governmental organisations in Ethiopia. The University of Bristol and Addis Ababa University have had a long and productive collaboration, and this visit by Dr. Elias Lewi is the latest in a ongoing partnership.