His research experience encompass aerosols and trace gases remote sensing from ground and space, atmospheric corrections for ocean and land remote sensing and associated radiative transfer code and inverse methods development. He is the founder and CEO of HYGEOS.
He works on algorithm and products development as well as sensor design and calibration. He is the main contributor to SMART-G software. He is also member of the MERIS Quality Working Group and Sentinel 3 Mission Performance Center, as expert on atmospheric correction for optical surface reflectances retrieval.