Northwestern University
Christina KaplanEngineer
OpenAI
Member of Technical Staff
via OpenAI
Researcher · Engineer
Rohan Sahai
RS
Member of Technical Staff at OpenAI
Sahai works on multimodal AI and the experience of using ChatGPT across text, images and audio. He contributed to GPT-4o's system work and focuses on making general-purpose AI more useful in everyday creative and collaborative settings.
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Background
Current role
Member of Technical StaffOpenAI
OpenAIPreviously
Education
About this data
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 9, 2026