Individuals do business with persons they like, trust, and are familiar with. People make decisions, not companies. Your professional network may be able to open doors for you that would otherwise be closed. For better or worse, it's not simply what one knows or can do that matters for career growth and business success; it's who you know. You may also learn a lot from those in your connection who have a lot of experience and knowledge. Here are a few pointers to help you succeed at networking.