It's important to establish your expertise early on in college or graduate school. You can do this by creating a blog and writing posts that reflect on what you've learned and how you will apply this to future careers. You can also upload your presentations to Slideshare, participate in Twitter chats related to your field, write guest posts for other blogs, and engage in other professional activities (e.g., attending conferences, networking).
Here are some tools and resources for establishing your expertise:
Additional Readings