This is where the SEO and the Content specialist can work collaboratively on a single piece of content.
Should the content creator  have the topic, the seo can do the keyword research, and structure a set of LSI terms, keywords and H1-H4 tags for the article.
By doing this the seo and content creator are both getting value for the other and hopefully ranking the content higher in the serps.

 

Originally Asked on Quora: http://www.quora.com/Are-all-content-marketers-SEO-specialists