Ask HN: Finding marketing co-founder

There are different variations of similar questions that people ask about all the time -- how to find tech or business co-founder. I have decent tech skills (I can build software with my own hands). I do have reasonable understanding of product and business principles. What's lacking in my case, a very special skill -- ability to promote the product to masses efficiently. I can do basic web promotion, solicit links on social media and cross reference on different web sites. However, I do believe, it does take a very unique and special skillset, in order to do it fast and right the first time.

Any suggestions or ideas would be highly appreciated.