To sell a product or service more easily or to work in harmony with your colleagues, it's used best to understand what kind of personality they have so that you can understand what works best for them.
The term DISC is an acronym for Dominance, Influence, Steadiness and Compliance. The concept of DISC was created by William Moulton Marston and has been used by more than 50 million people since it was first introduced in 1972
Why not try to figure out your colleagues or clients DISC profile (PS they can fit in more than one profile e.g. someone maybe a high D and low S):
Dominance (famous example Gordon Ramsay)
Influence (famous example Taylor Swift)
- High Spirited
Steadiness (famous example Brad Pitt)
Compliance (famous example Martha Stewart)