How To Write A Letter To Your Supervisor. Leave a large space and type your name so when it is printed, you can sign the letter in that space. Working with you is the best thing that has ever happened to me.

When writing complaint letters, it is often advised that you address the letter to a particular person to receive a quick response. You want to make sure you appear sincere—and not like a sycophant. Use a professional salutation followed by your boss’s name.