
Nitish Shirish KeskarResearcher
OpenAI
Member of Technical Staff
via OpenAI
Researcher · Founder · Executive · Engineer

Shazeer helped create the Transformer, the design behind modern language models. He also pioneered systems that activate only the parts of a model needed for each task, making very large models practical. He founded Character.AI and joined OpenAI in 2026 after returning to Google to co-lead Gemini.
See something inaccurate or outdated?
OpenAIWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: September 5, 2026