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TIAA CEO Roger Ferguson, one of 5 Black Fortune 500 chiefs, has experienced "onlyness" many times.
"Onlyness" is the experience of being the the only Black person, woman, etc., in a room.
To deal with this, the CEO told Insider that he never let let other people's ignorance faze him.
Roger Ferguson, the CEO of TIAA who oversees $1.1 trillion in assets, once visited a country club for dinner with other CEOs when he was mistaken for a waiter. He was the only Black guest in the room.