Personnel: Ketan Ramakrishnan at 80,000 Hours (Advisor)

Note: The source text is from 80,000 Hours' own website and discusses their advising services and team capabilities, but it does not contain any mention of Ketan Ramakrishnan or any specific advisor names (except in testimonials from Ethan Perez and Cullen O'Keefe, who are not advisors but clients). The record claims Ketan Ramakrishnan is an Advisor at 80,000 Hours starting in 2020, but this specific personnel information is not addressed in the provided source text. Without information about this person in the source, the claim cannot be verified or contradicted.