Urgently Enhancing PowerPoint Slides

I have a PowerPoint presentation that consists of over 20 slides, and I need it to be enhanced with better design and layout. I also require new graphics to be added or existing ones revised. I need this task to be completed as soon as possible.

Ideal Freelancer:
- Proficient in PowerPoint with a strong design sense
- Experienced in enhancing presentation layouts
- Skilled in creating or revising graphics to suit presentation content
- Able to work quickly without compromising on quality

Please let me know your experience with similar projects and how soon you can start on this task.