Home / HealthHealthCNBCHealthCNBC·Jun 5, 2026·1 min readWarren Buffett disciple Guy Spier built career on value investing. A rare cancer changed everythingAfter a glioblastoma diagnosis, value investor Guy Spier rethought wealth, time and legacy — and the impact he can have on rare disease research.View original source — CNBC ↗ShareCopy linkShare on XShare on FacebookRelated storiesScienceThe PunchScienceJun 20, 2026 · 1 minUS-based scientist urges African investment in cancer treatmentThe PunchScienceABC NewsScienceJun 8, 2026 · 1 minHow Richard Scolyer made his mark in melanoma researchABC NewsHealthAllAfricaHealthJun 8, 2026 · 1 minAfrica: Abba Mallum - the Nigerian Oncologist Helping to Fight Cancer in KZN and Across AfricaAllAfricaBusinessBloombergBusinessJun 18, 2026 · 1 minSeth Klarman on the Importance of Venture CapitalBloomberg
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