Since November 2017, Alexandre Vallet is the Chief of the Space Services Department in the Radiocommunication Bureau of the International Telecommunication Union (ITU). As such, he leads the team responsible for the maintenance of the international registry of satellite radio frequencies, which allows all countries around the world to coordinate their use in order to avoid radio interference in outer space.

Alexandre Vallet began to work in 2000 in the R&D center of Orange dealing with communications satellites. In 2006, he joined the satellite operator Eutelsat where he was in charge of regulatory matters. From 2007 to 2017, he was the Head of the Regulatory affairs and Spectrum/Orbit Resources Department at the French Agency in charge of radio spectrum management (Agence Nationale des Fréquences – ANFR).