Blog/News Writers

I am looking for a trained writer to manage the company blog (word press), produce articles about the company, web design topics, various design topics in general, advertising topics, etc. I am looking for someone to possible work fulltime on a monthly basis producing multiple blog entries daily. The writer must SPEAK and WRITE in proper ENGLISH. NO EXCEPTIONS. This will be a reflection on my company and I cannot have poor english or grammer. The writer must also use Skype or MSN for daily conversations and progress reports. I must see experience and portfolio examples to be CONSIDERED. NEED TO START ASAP.