Many capable people feel like frauds at work. You get the promotion, the degree, the praise, and still wait to be found out. That feeling has a name: imposter syndrome. It is common, and it is not evidence of incompetence.
It usually shows up at transitions: a new role, a bigger team, a room where everyone seems more qualified. High achievers are prone to it because they set standards they cannot always see themselves meeting.
A few practices help. Keep a record of your actual results: projects finished, problems solved, feedback received. When the doubt talks, read the record. It is harder to argue with specifics than with a vague feeling.
Talk about it with people you trust. You will find the feeling is widespread, including among people you admire. A mentor who has been through the same transition can put your worries in proportion. See our notes on coaches versus mentors and mid-life career changes.
Separate the feeling from the facts when you make decisions. Do not turn down the stretch assignment because of nerves; ask whether you have the support to learn it. Confidence often follows action, not the other way around. Building a strong personal brand on real accomplishments helps, as does aiming for leadership roles that stretch you.

