Welcome to our essential guide to what you need to know before approaching the 125 top UK channel executives featured in this year's CRN A-list.
This year, we asked our century-and-a-quarter of power players to imagine they had a warning label, and say how it would read.
The answers that came back are gold dust for anyone hoping to do business with this channel elite.
Did you know, for example, that Computacenter's Mike Norris does not share food, while Sapphire CEO Annabel Berry should be approached with caution if she hasn't had coffee? Another A-lister's warning label would caution not to ask him whether you can work from home.
Here we round up some of the best answers.
Alex Tatham, chief client & marketing officer, NSC Global
"Be prepared for excess enthusiasm - ear protectors may be required"