John F. Raffensperger

Making the world better with operations research

GEOX: How 10 large firms can lead us to end global warming.

The Art of the Spreadsheet. This high-quality full-size color paperback that will help you make much better spreadsheets.

Smart markets for water resources.

Gettysburg Address in PowerPoint.

My blog.

My CV.

Updated 3 Oct 2025.