Need an expert writer on SEM, SEO, Social Media, Blogging

I am looking for an expert in area of blogging, SEO, SEM and social media who also has exceptional research and writing skills. English native speaker only. The ideal candidate should be knowledgeable about blogging, social media for marketing, social media tools, innovative ways of internet marketing, link building for small businesses etc. The audience for these articles are people who are already well-read on these topics and looking for some high-quality and little known content about the same. Please provide me with related articles that you deem as your good work also provide an outline of what kind of articles will you do. Please bid for 10 articles of 500 words each.