Holden Karnofsky — Education: BA in Social Studies, Harvard University

Note: The source text explicitly states that Holden Karnofsky 'graduated from Harvard University with a degree in social studies in 2003.' This directly confirms the claim that his education is a BA in Social Studies from Harvard University. The infobox also confirms 'Harvard University (BA)' as his education. The additional context about working at Bridgewater Associates before founding GiveWell is also confirmed in the source text.