As others have said, acceptance is a big first step. Next, consider that jealousy comes from a scarcity mindset: There is only x wealth/success/power, and this

As others have said, acceptance is a big first step. Next, consider that jealousy comes from a scarcity mindset: There is only x wealth/success/power, and this other person got it. If you can transition yourself to an abundance mindset, I think you'll find the success of your peers as a collective asset: as your field or group becomes more credible/successful, more opportunities will open up for you. If you can figure out how to use their success to your benefit, you maybe find yourself thankful for them.