tl;dr:(1) Quantify the problem and success criteria. (2) Start with a tracer bullet. (3) Work in small, end-to-end increments. (4) Prioritize increments by risk and value. (5) Use ratcheting to prevent regressions. (6) Start what you finish.
tl;dr:Pat outlines the reasons to venture into a leadership role. (1) Desire to have more impact. (2) Opportunity to build different skills (3) Interest in watching others grow (4) Desire to improve the environment (5) Act as a Role Model. And the reasons not to.