Professional Profiles feature individuals working in the operations and supply chain area -- their company and industry, experiences and responsibilities, and their advice to others entering the field. Chapter 3 teaches students about 3D printing (additive manufacturing) and how it promises to change the volume/variety trade-offs for many manufactured items. Comprehensive coverage of traditional OM areas such as quality, capacity, queuing, forecasting, inventory, planning and control, and project management introduce students to these topics and how they apply to supply chain management. Microsoft® Excel® spreadsheets are incorporated into the text and homework. Chapter 1 includes employability skills that students develop by studying the course and incorporating the learnings from this book into their daily lives. Updated Chapter 1 discussion of long-term trends include the concepts of agility. Text supports students’ critical-thinking skills with dozens of frameworks managers use to support problem solving, including the Six Sigma methodology (Chapter 4), decision tree analysis (Chapter 6), sourcing portfolio analysis (Chapter 7), and project management tools (Chapter 14). Opening case studies in many of the chapters reflect the changing business conditions and challenges facing operations and supply chain managers. A Supply-Chain Operations Reference model provides info on key professional groups in operations and supply chain management areas. Chapter Problems test students’ knowledge and ensure they are absorbing major concepts.