“In the grocery store of life, you got to figure out why someone would pick you up off the shelf,” says Andrea Nierenberg, president of the Nierenberg Group, a business communication-consulting firm in New York. “Are you new and improved? Are you repackaged? What are you doing to get that competitive edge? What you want [...]

If you are a sales professional or want to become one, or if you are looking for a new sales job, you will face one of the toughest interview processes of any job seeker.