Lessons in Leadership

Never reprimand a direct report* in public. Instead, invite the direct report to meet you in a private space with pleasant lighting and chairs with comfortable pillows. Offer a cup of coffee. Throw out a little meaningless banter. Then, when you sense the direct report is sufficiently relaxed, deliver the rebuke with a smile.

A word of warning: In some circumstances, it may be necessary to firmly remind the direct report that you are the boss.
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* An underling in the corporate hierarchy