Romain is a multi-wavelength observer interested in the properties of high-redshift galaxies and quasars, and the role they play in cosmic reionisation. He received his PhD in 2020 from University College London under the supervision of Richard Ellis. He then moved to the Max-Planck Institute for Astronomy in Heidelberg, Germany, as a postdoctoral researcher in the group of Fabian Walter. Since 2023 he is a postdoctoral fellow in our group.