Gérard Assayag is a research director at IRCAM (Institut de Recherche et de Coordination Acoustique/Musique). He is renowned for his pioneering work in music representation, machine learning, and computer-assisted composition, co-creating influential software such as OpenMusic and OMax, which are widely used for composition, analysis, and improvisation. A co-founder of Collegium Musicae and the French Society for Computer Music, Assayag has also contributed to the Sorbonne Institute for Artificial Intelligence and the Journal of Mathematics and Music. His research focuses on symbolic interaction and co-creativity between humans and machines, shaping new paradigms for cyber-human artistic collaboration. He has authored key publications and organised major conferences bridging music, mathematics, and technology.