Teruyuki Nakajima, National Institute for Environmental Studies (NIES), Japan

Oleg Dubovik,  University of Lille, CNRS, France

Masahiro Momoi, GRASP SAS: Generalized Retrieval of Atmosphere and Surface Properties

Victor Estelles, University of Valencia, Spain

Philippe Goloub, University of Lille, CNRS, France

Africa Barreto, Agencia Estatal de Meteorología (AEMET), Spain

Stelios Kazadzis, Phys. and Meteo. Obs. Davos / World Radiation Center (PMOD/WRC), Switzerland

Natalia Kouremeti, Phys. and Meteo. Obs. Davos / World Radiation Center (PMOD/WRC), Switzerland

Henri Diémoz, ARPA Valle d’Aosta, Italy

Elisa Castelli, ISAC-CNR, Italy

Axel Kreuter, Luftblick, Austria

Lionel Doppler, German Weather Service (DWD), Germany

Saulius Nevas, Physikalisch-Technische Bundesanstalt (PTB), Germany

Julian Gröbner, Phys. and Meteo. Obs. Davos / World Radiation Center (PMOD/WRC), Switzerland

Monica Campanelli, Institute of Atmospheric Sciences ISAC – CNR, Italy

Giampietro Casasanta, Institute of Atmospheric Sciences ISAC – CNR, Italy

Christian Retscher, ESA

Jonas Von Bismarck, ESA

Stefano Casadio, SERCO

Claus Zehner, ESA

Yasjka Meijer, ESA