Native English Speaker for private lessons (Istanbul)

Hello,

A friend of mine is looking for an English teacher for private lessons. She is a total beginner and she neeeds to improve her English fast like in 8 mounths. She is in media sector working for a big tv company she also needs flexible working hours. And one more thing ; native speaker is preferable:)

So if anyone can help me I would really appreciate.

Thanks a lot.

Zeynep Özyol