AdWords Campaign Optimization

I'm looking for an experienced AdWords specialist to optimize my campaign with the goal of generating leads. The campaign is currently running but needs refinement to improve performance.

Key Focus Areas:
- Platforms: Google Search and Google Display Network
- Keywords: Brand-specific, industry-specific, and product/service-specific

Ideal Skills:
- Proven track record in lead generation via AdWords
- Expertise in Google Search and Display Network
- Strong keyword research and optimization skills
- Ability to analyze and adjust bids for maximum ROI
- Experience with A/B testing and ad copy optimization

Please provide examples of past successful campaigns and your approach to this project.