Corporate PPT Revamp

I need a professional and corporate-style PowerPoint presentation to showcase our company's past achievements for our Sovereign customers.

Requirements:
- Revamp existing deck ( if needed change everything, will provide pictures)
- Include charts and graphs
- Add customer testimonials
- Incorporate infographics
-Incorpore past achievements

Ideal skills:
- Proficiency in PowerPoint
- Strong design skills for a corporate look
- Ability to create engaging charts, infographics, and incorporate testimonials