What is a conversation made of? And if we want to change it, shift it, transform it, how might we do it? What levers of design are at hand to pull and push to create that change? These nine factors are not complete or exhaustive. But after one year and 24 interviews with conversation designers of all stripes, I feel they are the nine most effective ways to transform dialogue one on one, in teams, workshop groups and organizations. Being intentional about our conversation design choices is the first step towards hosting more effective and transformational conversations.