Tutorial -- People and Systems: Striking a Safe Balance between Human and Machine -- New Approaches to Risk Assessment -- Risk Assessment for M42 Active Traffic Management -- Safety Risk Assessment by Monte Carlo Simulation of Complex Safety Critical Operations -- So how do you make a full ALARP justification? Introducing the Accident Tetrahedron as a guide for Approaching Completeness. -- Experience of Developing Safety Cases -- Safety Case Practice - Meet the Challenge -- Safety Case Development - a Practical Guide -- Management Influence on Safety -- Governing Safety Management -- Understanding the Risks Posed by Management -- Common Law Safety Case Approaches to Safety Critical Systems Assurance -- Software Safety -- Ada 2005 for High-Integrity Systems -- Safety Aspects of a Landing Gear System -- New Technologies in Safety-Critical Systems -- Optimising Data-Driven Safety Related Systems -- Classification with Confidence for Critical Systems -- Use of Graphical Probabilistic Models to build SIL claims based on software safety standards such as IEC61508-3 -- Adding Dimensions to Safety Cases -- Safety arguments for use with data-driven safety systems -- Gaining Confidence in Goal-based Safety Cases.