Application to create a Powerpoint from an Excel

We need a coder that would be able to create an automation in VBA for Excel (we believe that this is the best tool, but other suggestions will be considered.. Maybe C#.net?) that would create a PowerPoint presentation from that Excel spreadsheet. We do not have yet the source Excel but will have soon. we have created the Bid Request to identify coders that would be willing to take this project forward and ? start discussing with them as soon as possible what would be the best approach to carry this project on. We will be more than glad to answer any questions.