Enhance Internal Meeting PowerPoint

I need a freelancer to refine an existing PowerPoint presentation for an internal team meeting. The presentation is to review project results.
The presentation already exists, of those a total of 13 Slides would need to be improved

Requirements:
- Transform current slides to make them visually engaging and professional.
- Maintain clarity and ensure all project results are accurately represented.
- Use a tone that is formal and professional.

Ideal Skills:
- Proficiency in Microsoft PowerPoint.
- Strong design skills, with an eye for professional layouts.
- Experience in creating presentations for corporate settings.
- Attention to detail and ability to meet deadlines.

You will have to adhere to pre-existing design rules