Once you know that, you know your reputation with them in great part. Build your network and do favors for people. Listen generously and go out of your way to take care of other people. You need depth and breadth in your network. Make a map of your network - people in your industry, organization, profession and personal life.
Many people limit their network to their organization and stop building other allies.
The goal is to have all three levels in the whole playing field of industry, organization, profession and personal life. Let people in your network know what you are seeking professionally or personally. Get them to support you in your quest. Ask them the same question and help them. The broader your network of support the more powerful your marketing campaign.