This is called Impostor Syndrome [1] and it is more common than you think: > Studies suggest that more than 70% of people experience the impostor syndrome at s

This is called Impostor Syndrome [1] and it is more common than you think: > Studies suggest that more than 70% of people experience the impostor syndrome at some point in their career. You can use writing (email) to guide your team instead of speaking to help you act rationally instead of emotionally since you are already aware that he (or anyone else) is technically less qualified. I have over 20 years of experience too, and was a bit like you when I was younger. Then I noticed that 99% (I might be boasting here, but the exact percentage does not matter) of my colleagues have no idea of what they are doing, even though they make themselves look otherwise. [1] https://en.wikipedia.org/wiki/Impostor_syndrome https://en.wikipedia.org/wiki/Impostor_syndrome