Precision medicine education business needs a powerpoint template and graphics

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This customer received 10 PowerPoint designs from 5 designers. They chose this PowerPoint design from Best Design Hub as the winning design.
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We educate physicians and others about genomics and precision medicine. The basis of that education is either online or live powerpoint presentations. My slides are in need of some professional fine tuning. First, a consistent design, reflecting my brand. I like clean and simple designs (see my website for example - precisionmedicineadvisors.com). Because I mostly educate physicians, the design should be somewhat serious, communicating trustworthiness. I have a logo that we can use, but am not wed to it if it doesn't work with the design. Second, I need professional looking graphics. You can view an example of my existing slides at precisionmedicineacademy.org. I like to communicate with pictures/graphics instead of words where possible on my slides. I typically use whatever stock photos I can find for free. Sometimes I pay for images. I draw some of my own images. As a result, there is not a consistent, professional look to my slides.