Marketing co-founder

Usually there is marketing and then a developer is needed. I am opposite,. The product is ready and i am looking for Marketing co-founder.
The product is called "Exshake" (www.exshake.com) which is a new patent pending method to transfer data between mobile devices.
I am looking for some Internet/mobile marketing guru.
The product is about to be available in Appstore very soon (in certification process), and there is a need to manage first customers get feedbacks, and be in contact with them.
So there is a lot to do.
Requirements:
- Experience in startups
- English perfect and above.
- Internet/Facebook marketing experience.