Personnel: Ryan Greenblatt at Redwood Research (Researcher)

Note: The source text is a public-facing webpage describing Redwood Research's mission, research areas, and highlighted projects. It contains no personnel information, staff directory, or biographical details about individual researchers. While the source confirms that Redwood Research exists and is an AI safety organization, it does not address any of the specific claims about Ryan Greenblatt (person), his role as a Researcher, or his employment dates (2021-2023). To verify these personnel details would require a source that actually lists staff members or provides biographical information about Ryan Greenblatt.