Everyones' background can be interesting but here'e the thing, no-one is going to write bad stuff about themselves are they and to be honest, many will will actually sensationalise or exaggerate what they've achieved.
What you really want to know is 'can he help me' in the way I want help, right?
The true answer is 'I don't know' because 'I don't know you' yet.
You can easily check my credentials on the internet, my background on sites like LinkedIn or whatever. Better still, take a look at what I offer, ask me questions from a distance get to know me and help me to get to know you.
Only them can we decide if there's a connection of mutual value, an exchange of values, a meeting of minds and ultimately, a relationship worth developing.