Working in GNSS technology with applications in mathematical geodesy, geophysics and civil engineering. His latest research projects focus on crustal deformation and sea-level rise in the Pacific Northwest. He has also been involved in the analysis of Earth observations (i.e., GRACE). His work was in collaboration with safety and government agencies.Currently working on the Earth energy budget and Total Solar Irradiance time series from various missions (SOHO, PICARD ...).
