Karsten Danzmann, Max Planck Institute for Gravitational Physics, Hannover, Director.
Expert on Gravitational Waves physics, is Director of the Division of Laser Interferometry and Gravitational Wave Astronomy.

Manuel Martín-Neira, (ESA/ESTEC) Earth Observation, ESA Senior Staff Scientist.
Expert on Earth observations, has been SMOS Principal Engineer, member of the Academie des Technologies of France.

Luigi Stella, INAF - Osservatorio Astronomico di Roma, Italy, Full Professor
Expert on high energy astrophysics. Editor of the Astrophysical Journal Letters. OMRI Commander (Italy) and Full Astronomer / Professor at INAF.

Giuseppina Micela, Director, Osservatorio di Palermo.
Expert on Planets and Exoplanets, clusters and star formation. Has been also a member of several steering committees in X-ray space missions.

Michael F. Bode, Astrophysics Research Institute, John Moores University, Former Director.
Expert on Novae and Supernovae and robotic observatories. Professor of Astrophysics. Has been leader in ASTRONET (the European Roadmap for Astronomy).