First, this would be a worthless exercise unless you have at minimum sampled those 15 brands. Secondly, if you tasted and knew everything about each of fifteen craft beers, you still should not dare to use the word expert. For reference, the app, Beer Expert on Google Play sites a database of 300,000 craft beers.
Likewise, use of terms describing craft beers as IPA’s or Pilsner Lager or others you see in Step 1 may impress a rising freshman, but you will know there isn’t a bush league of craft beer drinkers minor enough such that you would be its “expert”. So, let’s drop the word expert in favor of the word “enthusiast”.