If you’re working in a strict corporate environment, Gamma is my current go-to...

https://delta-wiki.win/index.php/The_Art_of_the_Pivot:_How_to_Rewrite_Your_Executive_Summary_for_Executive-Level_Impact

If you’re working in a strict corporate environment, Gamma is my current go-to for speed. It handles the doc-to-slides conversion efficiently, but the real winner is how it manages the transition to PowerPoint