He works as a Research Scientist in geo-physics, satellite earth observations, and geo-computing. He conducts research on utilizing near-space earth observations for studying geodynamics processes. He contributed in validation of the new geophysical theory of lithosphere-atmosphere-ionosphere coupling in relation to earthquake processes. He has coordinated international initiatives on utilizing space-borne and ground observations for earthquake hazard risk assessments. He has won multiple NASA grants and has published more than 150 papers. He teaches satellite applications in natural hazards at Chapman University. He is a Keynote Speaker at international conferences.