Dr. David J. Smith is the Proprietor of Technis Consultancy and has over forty years of experience in reliability and risk assessment and training courses. He is a self-starter who as a leading consultant, and previously as a senior manager in a number of large organizations, has been proactive in the areas of reliability and risk engineering and software quality in both onshore and offshore projects. He’s also a major contributor to national and international standards on functional safety-integrity. An innovator with both management and technical skills in a range of industries who is well known for his contribution to the risk, reliability and quality profession. Author of 8 successful books and numerous papers. Two of his books are regarded as the standard works on the subject. A consultant in his field, for over 30 years, and creator of 6 reliability data and prediction software packages widely used in the profession. His main books are: Reliability, Maintainability and Risk, 9th Edition, Elsevier and The Safety Critical Systems Handbook, 4th edition, 2010, Elsevier.