People Are Predictably Different
One of the most important skill sets you need to master is the abiity to be a master communicator with people. DISC is a personality system helping you understand the emotions and fears of people, and how to have a better understanding of your own self. By mastering DISC, you will keep more transactions together, close more deals, resolve conflicts faster, convert more leads, and make more money.
I am currently teaching a 6 weeks series on DISC. Here is Part 1, The Introduction to DISC