Copywriting for a membership-based program

I'm in the process of collating a membership-based program for which I need copywriting services. The program is targeted at the network marketing industry. The main aim is to give our members the TRANSFORMATION they got into the industry for and not more info on how to succeed. Our program has been structured in a way that would increase our members chances of success. I need a copywriter to help in putting together the BENEFITS of our membership program to our potential members. The most important part of the whole program is the VIDEO SALES LETTER which will be the first point of contact between us and potential members. This video sales letter needs to communicate to potential members the kind of TRANSFORMATION they'll undergo for joining our program in a form of a compelling story. As copywriters I'm sure you know that FACTS TELL but STORIES SELL. I need to put something together that our target audience indentifies with. This is a part that can break or make our business so we need someone to help in showing our potential members why we're the perfect SOLUTION to their PROBLEMS. Obviously we're going to provide more info at a later stage but we need help in collating copy that will be used for the video sales letter. Depending on how good the copy is we're looking at working with the respective copywriter on an ongoing basis to collate material such as email campaigns for our members, training material, reports etc.