Jonathan Cohen
NVIDIA AI software leader who led NeMo development; listed in the Nemotron 3 leadership credits
- Credited in Nemotron 3 leadership (December 2025) and Nemotron 3 Super contributors (April 2026), NVIDIA34
Jonathan Cohen is an AI software leader at NVIDIA. NVIDIA's blog profile describes Cohen as a Senior Director for AI Software who leads development of the company's speech and language tools and technologies, including NeMo, and notes three years at Apple as a Director of Engineering after an earlier eight years at NVIDIA in engineering and research roles. Cohen is listed in the leadership credits of NVIDIA's Nemotron 3 white paper (December 2025) and among the contributors to the Nemotron 3 Super technical report (April 2026). Cohen's NVIDIA blog posts announced NeMo Guardrails, open-source software for keeping generative AI applications on track (2023), and the Granary multilingual speech dataset released with the Canary-1b-v2 and Parakeet-tdt-0.6b-v3 models (2025).12345
Work
NVIDIA NeMoOpen-source code
NVIDIA's blog profile says Cohen led development of NVIDIA's tools and technologies for speech and language, including NeMo; Cohen also wrote NVIDIA's April 2023 announcement of the open-source NeMo Guardrails software.12
NVIDIA NemotronOpen weights
Listed in the leadership credits of the NVIDIA Nemotron 3 white paper (December 2025), which states that NVIDIA will release the model weights, training datasets and recipes; also listed among the contributors to the Nemotron 3 Super technical report (April 2026).34
Granary dataset with Canary and Parakeet models (external site: blogs.nvidia.com)Open data
Wrote NVIDIA's August 2025 announcement of Granary, an open-source corpus of multilingual speech audio, released on Hugging Face with the Canary-1b-v2 and Parakeet-tdt-0.6b-v3 models trained on it.5
Other documented roles
Roles the sources document but that are not confirmed as current.
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