In passing. As long as you give your signature at the bottom, you don’t need to introduce yourself formally with a line like “My name is…” or “I am a…” Instead, work any basic details about yourself into a sentence that speaks more directly to the job opening at hand. For example, don’t write, “I am a talent acquisition specialist with six years of experience in executive recruiting.” Instead, say, “With six years of executive recruiting experience, I can help your firm achieve its mission to…”