Andrew Nolan joined Rolls-Royce in 1989 after completing a degree at Sheffield University (UK) in computer science. He is a Fellow of the British Computer Society and a chartered Software Engineer. He has spent over 23 years in software development and project management Andrew is the Chief of Software Improvement for Rolls-Royce based in the UK and is a certified Sis Sigma Black Belt. His specialism is in software measurement, estimation, risk management, project management and improvement. Satpaul Sall joined Rolls-Royce in 2006 having had experience working within the banking and commercial IT sector. He holds a degree in Information Systems and is a certified PRINCE2 practitioner whilst also receiving certification as a Six Sigma Green Belt. Satpaul is a Software Technologist within the Software Centre of Excellence and current projects include a joint Estimation project with Andy Nolan