You need to choose and contact a person from this list : https://bitcointalk.org/index.php?topic=855778.0

They will hold some of your funds, like funds require to pay some 10 to 20 members. So that some people will freely test/sign up your services and you need to pay them directly. Once you get enough number of sign up you can declare here "finished" and escrow will refund your funds after some fees.