If you want to be known as the expert in your field, then you must showcase your qualifications. Highlight your experience and do your homework-support your ideas and claims with data.
Speak with your readers the way parents do with their children-authoritative, yet supportive. More importantly, make sure your personality shines through because that's what readers connect with.
Experience & examples:
Writing about perseverance? Talk about that time you fell off your bike, but picked yourself up and tried again. Personal anecdotes are powerful, relatable, and easy to latch onto.