Billionaire Julian Robertson, who created Tiger Management Corp, told CNBC’s Maria Bartiromo that Walter Isaacson’s 2011 biography of the Apple founder changed his view about investing in the company. “How can you create a great organization of people and be that mean a person?…He was really a pretty terrible guy.” Robertson says that Steve Jobs was a “genius,” and concedes that “if he were still there I’d still be in it.” But without him, Robertson says, the company is left with a “bad culture [and] bad principles.”

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