![Tim Cook on Twitter: "Bill Campbell believed in Apple when few people did. We'll miss his wisdom,friendship,humor & his love for life. RIP https://t.co/HA7hYgGxNM" / Twitter Tim Cook on Twitter: "Bill Campbell believed in Apple when few people did. We'll miss his wisdom,friendship,humor & his love for life. RIP https://t.co/HA7hYgGxNM" / Twitter](https://pbs.twimg.com/media/CgWQIKVUMAADS_n.jpg)
Tim Cook on Twitter: "Bill Campbell believed in Apple when few people did. We'll miss his wisdom,friendship,humor & his love for life. RIP https://t.co/HA7hYgGxNM" / Twitter
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YS Learn] Leadership lessons from Bill Campbell - the man who mentored Larry Page, Sergey Brin, and Steve Jobs
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