Although a meet and greet is not always sales-oriented, it can be a natural precursor to a sales meeting. This is great because you've just learned how to make the meet and greets into positive and valuable experiences! For the meet and greets that are potential sales opportunities, the next step is the formal sales meeting, which can be daunting even if you're a seasoned sales professional.
As a brilliant developer, you've probably been to a sales meeting before or taken part in the sales process, perhaps accidentally, without you knowing. You could have responded to a simple email from the sales team, who requested some seemingly trivial technical information on a particular product or service. If you can remember such an example, then this will be a great help to understand the end-to-end sales process in more detail. If you can't, that...