Finance Presentation Design Polish

I have a complete finance-sector PowerPoint deck that now needs a professional eye. The storyline, copy and slide order are locked; what I need is a designer who can elevate the look so it meets the expectations of private-equity and institutional investors... (Budget: $30 - $250 USD, Jobs: Adobe InDesign, Branding, Corporate Identity, Data Visualization, Financial Analysis, Graphic Design, Powerpoint, Visual Design)