“After applying TDD to a new feature on a single team in a code base area where lots of production bugs were discovered in the past, we were able to deliver that feature without any production bugs.”

Siemens Healthineers

"Thanks Dave Farley for showing me TDD in it's glory. I used it in my latest project and it worked wonders. Time spent debugging was less then 5% since I detected miscalculations and stuff early. And it made for a good architecture in the end.”

Student