There’s an interesting article in Harvard Business Review called “How to Build Your Network.” It describes a very innovative process I currently use: After you identify your key contacts, think about how you first met them. In the center column of the work sheet, write the name of the person who introduced you to your contact (if you met the person yourself, write “me”). This column will reveal the brokers in your network and help you see the networking practices you used to connect with them. These are the people you already know who are clearly able and willing to help you branch out. They should be the first people you call and where you invest a disproportionate amount of your time and energy.