
Joëlle PineauResearcher
Cohere
Chief AI Officer
via Cohere
Researcher

VP Modeling at Cohere
Bellemare created a standard Atari testbed that helped researchers compare game-playing AI and accelerate deep reinforcement learning. He later developed methods that let agents consider the range of possible rewards, not just the average. After co-founding Reliant AI, he joined Cohere as VP of Modelling in 2026.
See something inaccurate or outdated?
Cohere
GoogleWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 22, 2026