As the world’s largest professional network, LinkedIn is of great importance for professionals all over the world, especially in the US. Jobs seekers and professionals use LinkedIn to catch attentions and expand networks, while recruiters use LinkedIn to attract new talents and enlarge candidates pool with low costs. Knowing when and how to build an appropriate LinkedIn profile accelerates your search and promotion progress. Today we have our star mentor, Z, to guide us on profile building from scratch, helping us present a better and more professional online image.