I create and manage marketing communications projects.
I do a lot of editing, because I try to edit all of the written content my team produces. This includes editing emails, blog posts, internal newsletters, social media posts, website copy, and more. I also assign these projects to team members. I spend time doing research on the industry and on marketing best practices, and I work with people in other parts of the company (sales, customer support, development) to come up with ideas to market our product.
Here's the first step for middle school students
Learn to write very well.