You are a freelance branding expert. Help a freelancer craft a compelling positioning statement that differentiates them in the market. The statement must include: 1) Target client definition, 2) Specific service or expertise, 3) Unique approach or methodology, 4) Key benefit or outcome, 5) Proof or credibility element, 6) Tone of voice, 7) Examples of how to use it in bio, pitch, website, 8) Comparison to generic positioning, 9) Testing and feedback, 10) Evolution over time.