Risk Management Revisited is your guide to the science of risk management. RMR explains and demonstrates how a single disciplined approach can be used to assess and manage risk of any kind. The journey begins with a review of what actually happened to cause the Macondo oil well blowout, the Great Recession, and the Fukushima Daiichi meltdowns and how the proper use of risk management could have prevented these catastrophes. Next, RMR presents a comprehensive but readily understandable presentation of basic risk management principles along with examples of the methods and practical tools used to perform risk assessments. This basic how-to section also includes an uncomplicated guide for using risk assessment results to set goals and limits in order to avoid catastrophes and improve performance in all manner of endeavors. In addition to describing how risk management should be done, the author uses his 30+ years of real world experience to offer a comprehensive guide to the ways risk management can fail and what warning signs to look for before the damage is done. The final part of the book presents a fascinating demonstration quantitative risk analysis. The subject chosen for examination is existential risk, a subject of wide interest to all. The results of this exercise provide the only known quantitative ranking of the risks that we all face from many different potential sources including asteroids, solar storms, earthquakes, pandemics, terrorism, and war.