Personnel: Chris Olah at Google Brain (Research Scientist)

Note: The source confirms the person (Chris Olah), organization (Google Brain), and approximate timeframe (2015 is mentioned in connection with DeepDream work at Google). However, the specific role title 'Research Scientist' is not mentioned in the source text, and the end date of 2018 is not explicitly stated. The source only confirms he 'worked on interpretability research at Google Brain' without specifying the formal job title or exact employment dates. This is a partial confirmation—the core facts are supported but key details (exact title and end date) are unverifiable from the provided source.