Client
The client wants a website or application. Pick my brain makes sure all requirements and wishes are clear, so that the end result meets the expectations. Pick my brain also provides CMS training.

Designer
Pick my brain is involved in the graphic design, so that this is technically feasible.

Programmer
Pick my brain takes care of clear specifications, so that the programmer knows what to build, even if he is located in a different country (off-shoring / outsourcing).