Hi Aaron, just to follow up with you regarding your interest in adding keywords to your profile, you are now able to do so!
Under your profile page, go to "Edit Profile" then click on the "Basic Info" tab. In the box labeled "Specialties" you can add keywords. We are in the process of linking articles and questions with similar keywords back to your profile as well. If you have any other suggestions, please feel free to let us know! We love to hear feedback!