Organisations sometimes set out to create cultures of safety using the hearts and minds approach, that is, running workshops for employees encouraging them to think differently about safety.
This presentation argues that the real key to developing a culture of safety is having the right organisational structure. This means ensuring that the people with special responsibility for safety are sufficiently senior and sufficiently powerful to be able to discharge their responsibilities effectively.  This requires a relatively centralised organisation. This is illustrated using the Columbia space shuttle accident.  The presentation includes a case study of BP, looking at its organisational structure before and after the Deepwater Horizon accident.