Ash Winter is Consulting Tester and Speaker at Diagram Industries, Ltd. He is a learning tester, conference speaker, and an unashamed internal critic, with an eye for an untested assumptions or claims. Ash has held roles in testing, performance engineering and automation. He helps teams think about testing problems, asking questions and providing coaching.  He is also a co-organizer for the Leeds Testing Atelier, a full-day testing workshop with a mission to give test engineers a platform to share their stories.