SEO-Focused WordPress Site Creation

I'm looking for an expert in WordPress and SEO to build a website for me. The site needs to be fully optimized for search engines from the get-go.

Key Requirements:
- Expert in WordPress
- Strong understanding of SEO principles
- Experience with creating SEO-friendly WordPress sites
- Knowledge of best practices for site speed and mobile optimization

Please provide examples of previous SEO-friendly WordPress sites you've created.