I need researcher and script writer for case studies, politics, current affairs, geography and geopolitics types based script writer

I am looking for an experienced researcher and script writer to help me create case study video scripts for various topics such as politics, current affairs, geography and geopolitics. I am looking for business-based case studies and wish to produce video scripts of 10-30 minutes in length. The ideal candidate will have a strong track record in researching as well as experience in creating professional video scripts.