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Companies can ban beards as part of their dress code to keep up a certain image, said Jennifer Sandberg, a partner in the Atlanta office of Fisher & Phillips, an employment law firm. And an employee can challenge that ban if he (or she, for that matter) argues that a beard is legally protected because of religion, race, disability or gender.

Employers can also ban beards for safety reasons, but that’s no issue on Wall Street. So I dare you, if you are an extraordinary man of finance, to grow one. It’s a way of saying: “I’m good enough at what I do and I’m honest enough — and I look so incredibly handsome this way — that I can get away with it.”

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– http://www.nytimes.com/2013/12/08/business/whiskers-unlimited-not-on-wall-st.html?ref=todayspaper