When building a personal brand, the Sun is our seen identity- our face to the world. It represents the self and the way that you exist within a given context.
Another way to interpret the Sun sign for your personal brand is to see the Sun as what people look up to you for. What archetype do you represent to others? For example when people see you, do you represent freedom, or sociability, or hustle?
In personal branding, the Sun is:
To build a more accurate Personal Branding persona, look to see what Zodiac sign and House your Sun sign resides.