I understand that these people can effect your career
in this particular situation, but if things don't work out, is your career over?
I learnt a new phrase recently from Joan Sotkin, who is a great financial coach. She said that most of the time, when we put others before us or make them to seem more important than we are, we say to ourselves:
If anyone has to be uncomfortable, I'll volunteer.
(People Pleasing)
What we should say is:
If anyone has to be uncomfortable, it doesn't have to be me!
These people are powerful to you, because you make them powerful in your mind. Yes, they have professional power, but are they the only ones who can break or make your career? No, you are. You are the one with all the power!
Think instead:
If this situation doesn't work out, there are always other oppurtunities out there.
I know it's easier said than done, but if you want to be your best, you'll have to develop this mindset. Take back control of your personal power!