This document provides an introduction to Business Process Management (BPM) and Business Process Reengineering (BPR). It discusses the benefits and shortcomings of BPM, the differences between BPM and BPR lifecycles, and how BPM and BPR can be combined. The document also covers the foundations of BPMN and provides examples of intermediate BPMN models. Additionally, it includes a section on calculating competitive offers in BPM. The bibliography at the end provides references for further reading.