Do you mean increase CTR? CPC can depend on the content of your pages. It might be out of your control. However, if you are looking to increase CTR and increase earnings, then I can definately help.
Relevant Skills and Experience
I have experience of boosting adsense earnings in my own account very significantly. I have read ton of advice on this issue. I will provide you placement, type of units, colour ideas.
Proposed Milestones
$25 USD - Will increase your adsense earnings by giving you various instructions mentioned above.