Brian F.G. Katz is a CNRS Research Director at the Sorbonne Université, Institut Jean Le Rond d’Alembert, in the group Lutheries—Acoustics—Music, axis "Sound Spaces". His fields of interest include spatial 3D audio rendering and perception, room acoustics, HCI, and virtual reality. With a background in physics and philosophy, he obtained his Ph.D. in acoustics from Penn State in 1998 and his HDR in engineering sciences from UMPC in 2011. Before joining CNRS, he worked for various acoustic consulting firms, including Artec Consultants Inc., ARUP & Partners, and Kahle Acoustics. He has also worked at the Laboratoire d'Acoustique Musical (UPMC), IRCAM, and LIMSI-CNRS.