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.

Code for running a market for groundwater: Forever Fair for groundwater. Forever Fair is the first public release of software to run a smart market for groundwater.

Gettysburg Address in PowerPoint.

My blog.

My CV.

Updated 6 June 2026.