Corporate Sales Pitch PowerPoint Design

I need a professional and corporate-style PowerPoint presentation for a sales pitch. The presentation currently consists of 11 text-only slides.

Requirements:
- Add relevant stock photos.
- Decorate and enhance slides for a polished, corporate look.

Ideal Skills and Experience:
- Proficiency in PowerPoint
- Experience in designing corporate presentations
- Access to a wide range of stock photos
- Strong design skills for a professional finish