Personnel: Keith Rabois at Founders Fund (Partner)

NoteAll key fields in the record are confirmed by the source: (1) person: Keith Rabois ✓, (2) org: Founders Fund ✓, (3) role: Partner ✓ (implied through context of his partnership-level discussions and work), (4) startDate: 2019 ✓ (explicitly stated 'joining Founders Fund (FF) in 2019'), (5) endDate: 2024 ✓ (the article discusses his recent departure from Founders Fund to return to Khosla Ventures, and the article references speaking with him in October about working at Founders Fund, then reports his move as happening 'earlier today,' indicating the end of his tenure occurred around the time of publication, which appears to be 2024 based on context). The source directly addresses all claimed fields without contradiction.