The book Risk Assessment & Management with Events, Six Sigma DMAIC, and More is a practical resource designed for Risk Management professionals, managers, risk analysts, academics, and students studying Management, Risk Management, Risk & Decision Analysis, and Operations Research. It covers various topics essential for understanding and managing risks, including event risk models, modeling costs from events, predicting the number of events within a fixed time, performing sensitivity analysis with Simtable, assessing information system security risks, predicting financial statements, optimizing project portfolios, and conducting cost assessments for possible events. As Peter L. Bernstein aptly stated, "The risk will always be there, so we must explore many interesting tools that can help us to control risks we cannot avoid taking." Inspired by this perspective, the author provides a comprehensive set of tools in this book to help readers effectively manage unavoidable risks.