Pros
Worked for 3 CEO's. The first was well intentioned and a decent human but inept. The second who I worked with for his entire time was a true leader that was shaping QinetiQ into a progressive organisation that had a clear mission, vision and values and was well on its way to achieving it. I have never seen an organisation transform itself in these 3 years. Working for the previous CEO was without doubt the greatest career experience I have and am likely to have as an employee and has shown me what true leadership can do.
Kontras
Distinct (negative) change in culture reflecting change in CEO's. Went from progressive disciplined meritocracy under CEO number 2 with vibrant energy to a loosely run Canberra based boys ex services based boys club (some of whom are/were criminally incompetent yet operated with abandon). In a few months most of the operational gains that had been built in the years prior and discipline that had been built vaporised - talk about own goal...