Design a powerpoint / PDF pitch

I have a new tennis academy opened by renowned tennis players. I already have the name / logo etc. I want to create a powerpoint / PDF (editable) with good background and graphics.

Objectives of PPT : (i) Pitch to tennis centres; (ii) Pitch to prospective students / athletes

I will be providing the content. I need help on MAKING THE CONTENT CRISP; and DESIGNING THE POWERPOINT / PDF.

I will need an editable version for my future reference.