Google AdWords Traffic Boosting Expert Needed

I'm looking for a seasoned Google AdWords specialist who can help me increase my website traffic. I have run AdWords campaigns in the past, but they have not been as successful as I had hoped.

Key challenges:
- The primary obstacle in my previous campaigns has been the high cost per click. I need someone who can strategize to lower this expense while still driving quality traffic to my site.

Ideal Skills:
- Extensive experience with Google AdWords
- Proven track record of decreasing cost per click
- Ability to drive significant website traffic
- Strong analytical skills to assess campaign performance and adjust as needed