Since graduating from MIT, his career has spanned the arc of machine learning's evolution. At Google Research he built App Inventor, software that introduced millions to programming. Gleitzman created The Algorithm Auction, the world's first auction of computer code, held at the Smithsonian.

His open-source tool howdoi has been called a paragon of Python coding. His festival Smangtasia brought 36 hours of underground electronic music to a 400-acre horse farm in the Catskills. He grew up in West Virginia and is fluent in Japanese

He also posts useful bits of knowledge on glei.tz.