She is mainly a coordinator with many levels of management. Breaking sites into sections is very helpful.
PPC search advertising campaigns can overlap, causing competition for paid clicks from the same company. This is bad as it can raise costs and weaken user experience.
Build relationships in house to get things done. Befriend programmers, designers and content writers to make sure all individuals are implementing search engine optimization best practices.
Rand Fishkin interviews Ms. Vaughan in the Seomoz office.