Mark was always one of the smartest kids in his class. He’s done well in his career, but when he checks Facebook, he sees people he outperformed at school who have now achieved more. Likewise, there are colleagues at his firm who have leapfrogged him. Sometimes he wonders, “What am I doing wrong?” Sound familiar? You might relate to Mark yourself, or have an employee or loved one who struggles with similar feelings. Raw intelligence is undoubtedly a huge asset, but it isn’t everything. And sometimes, when intellectually gifted people don’t achieve as much as they’d like to, it’s because they’re subtly undermining themselves. If you’re in this situation, the good news is that when you understand these foibles you can turn them around. Here are five I’ve seen smart people particularly struggle with: 1. Smart people sometimes devalue other skills, like relationship building, and over-concentrate on intellect. Very smart people sometimes see their success as inevitable because ...