My co-worker has been the biggest help to me in the past few years I'm in the company. His capabilities are far above the senior employees (there are solid proofs to this). Although we've never officially talked anything about mentorship, I strongly feel that he's willing to mentor and help me whenever I need, compared to everyone else. He was never assigned to mentor/supervise me in the first place. For that, I'm very grateful to him. I've read somewhere that one of the good ways to acknowledge his efforts and contributions, as to let the manager further notices him is by doing some mentioning. I want to know if it's appropriate to acknowledge a co-worker in my resignation letter. If it is, how should the letter sounds like (generally)?
Never thought that a simple intention to thank someone can be so malicious for certain people. A corporate world doesn't need to be that cold. This will be my first resignation anyway.