Need to create a professional presentation on powerpoint

Information for the business: Content Marketing
Industry: Technology
Kind of design: Full presentation
Target audience: retailers
Data and special elements to include: have created a base deck but needs to turn into a professional deck to be presented at a conference
Ideas for the visual style: turning writing/txt into a more of a graphic
Things to avoid: 24hrs turnover
Extra notes:
professional designs and infographics required.