Hello, My name is Roberto I'm a graphic designer and my main area are presentations
https://www.freelancer.com/portfolio/292065/SoyRbto-sample-of-more-data-business-driven-
https://www.freelancer.com/portfolio/291457/SoyRbto-minimal-style-sample
here are some samples of my work, I can offer professional and functional presentations, I have done work for investments, academics and marketing and I can assure you that I work until you are fully satisfied with the output, if you want to talk, I'm in chat, let me hear from you
(I can work in prezi or powerpoint as you wish I'm equally skillful in both)