This document discusses managing complexity in operating models. It notes that operating models define how strategy is executed, but they often become misaligned over time due to organic and inorganic growth. This leads companies to struggle with inconsistent performance, inability to adapt, and higher costs. The document advocates designing an optimized "best fit" operating model through assessing capabilities, targets, industry dynamics, and strategy. It also notes the importance of change management capabilities to successfully implement a new operating model.