As of my last knowledge update in April 2023, there is no widely recognized author by the name of Ki Stephens that has made significant contributions to literature or has a substantial biography available. It's possible that Ki Stephens might be an emerging writer, a self-published author, or someone who has written on a smaller scale, such as blog posts, articles, or short stories. If Ki Stephens is a pen name or a less commonly used name, you might have more success finding information about their work by searching for any other names they might publish under or additional context such as their book titles or subjects they write about. Without more specific details, it's challenging to provide a description of their work or impact. If Ki Stephens has become notable after April 2023, you might find more current information about them through recent articles, author databases, or social media profiles.