Think about how the blog will establish your professional online presence.
create an “about me” section for the blog
and “welcome to my blog” section that describes the purpose of the blog and what the readers will get out of it.
I am a third year pharmaceutical chemistry major and i want to become a dental hygienist.  my Discourse Community that this blog is about is Dental Hygienist

Audience: Your primary audience will be novices who are interested in joining your DC think high school seniors and/or first-year students. Since your DC is a professional one, your tone should reflect that; however, that doesnt mean that you cant add your own voice or some humor.