New listeners are hard to find, but not when you invite the right guests to your show. Grant Jenkins, former director of marketing at the 5by5 Agency, shares how to expand the reach of your brand's message by selecting a guest who will not only connect with your existing audience, but also bring your show some of theirs. He offers a checklist for qualities every guest should have and effective ways to invite, prep and interview them as part of the larger conversation you want to create.