Creative Graphic Designer for Keynote Speech Slides

I need a creative, artistic graphic designer to design new slides and redesign older slides used in keynote presentations. I have about a dozen powerpoint presentations that I use to deliver keynotes around the world. I need help with both redesigning some older/outdated slides and also creating new slides for new speeches I am developing. The ideal candidate will have a strong sense of design and the ability to create visually appealing content. I need modern, sleek, clean designs. The topics are on cybersecurity, AI, and related issues. Because the content can be dry (I make sure it is NOT), the slides need to be beautiful, impactful, artistic and DIFFERENT than other boring keynotes. I want people to be wowed by them! Experience with presentation software is essential. Timeline is short - less than a week for the first one (I deliver the speech this Thursday. I have slides but am trying to update content on that one so need help), 2 weeks for the second one, three weeks for the third one and so on.