Don’t call yourself a visionary, or aspire to make a disproportionate impact, if you anchor all your decisions with what you see and know now. I am always surprised by how lazy people are when making serious decisions about their careers. Join a team not for what it is, but for what you think you can help it become. Be a “founder” in the sense that you’re willing to make something rather than just join something. You must seize opportunities when they