Dr Andrew Brown is a principal consultant at Expleo. He leads an independent line of research into understanding why we humans make the mistakes that lead to software defects. He has 25 years’ experience in the software industry. Previous roles include Head of QA at HMV, Head of QA at a financial software house and a test manager in Japan. He holds a degree in Physics and Maths, an MBA from Warwick Business School and a doctorate from Imperial College