After completing studies in Visual Arts and Philosophy at La Sorbonne Pantheon-Sorbonne University, Grégory Chatonsky began his master's degree at the ENSBA and at ENST finishing in 1999.

From 1994 to 1997, Chatonsky, researched, wrote the screenplay and produced the CD-ROM, Mémoires de la Déportation, about deportations and the Holocaust in France.

[2] From the mid-nineties Chatonsky produced films, audios and code-based work for the internet, including Counter (1995), a website that existed solely to count visitors, 2fresh (1997), a snippet of HTML script, and La Vitesse du Silence (1999), a netart performance piece.

Produced at the C³ Center for Culture & Communication Foundation (with Reynald Drouhin) and at Biennale d’art contemporain de Montréal, Revenances (1999) was an online performance work that invited the viewer to slow down their browsing and consider glitches and pauses as spaces where "ghosts" may interact.

He has taught at Le Fresnoy-Studio national des arts contemporains, France, at Université du Québec à Montréal’s School of visual and media artn he is artist-researcher at École Normale Supérieure in Paris and teacher of artificial imagination in EUR Artec.