This document discusses Siemens' transition from a traditional waterfall development model to an agile model using Scrum. It describes Siemens' large, distributed development organization and challenges with the old model. It then outlines key principles of the agile transformation, including aligning around customer value and minimizing waste. The implementation of Scrum is discussed, including product owner teams and self-organizing Scrum teams. Challenges of transitioning offshore suppliers to partners are also covered.