Dr Sean Bruinsma

Dr Sean Bruinsma is head of the Space Geodesy Office of CNES, Toulouse. Since 1994 he has worked on satellite long-arc computation using a semi- analytical method at the Observatoire de la Côte d’Azur, upper atmosphere modelling at the Service d’ Aéronomie, and gravity field and atmospheric drag modelling at CNES. He is responsible for the maintenance and upgrading of the in-house thermosphere model DTM. The analysis of density variability, using data inferred from accelerometer observations in particular, is his specialty and he is author or co-author of over 20 publications in refereed journals on this topic. He is member of the Quality Working Group for ESA/Swarm. He is the spokesperson of the Atmospheric Effects topical group of ESA’s Space Weather Working Team. He was member of NASA’s Living With a Star LEO Drag institute, and the Upper Atmosphere Expansion group of the Next Step Space Weather Benchmarks study for IDA/NSF. He is the moderator of the COSPAR/ISWAT Atmosphere Variability cluster, and vice-chair of COSPAR International Reference Atmospheres. He also works on the planetary atmospheres of Venus and Mars, and is presently in charge of the accelerometer and radio science data processing for upper atmosphere studies on ESA’s ExoMars Trace Gas Orbiter.

Sean Bruinsma is the WP6 leader with an allocation of 10% of full-time employment.