You will work with people of diverse background and experience. This will help shape future interaction with other colleagues.
You will work on multiple projects. This will help widen your experience.
Cons
You will be pulled in several direction that will make it extremely hard to focus on your primary role..
Your responsibilities will not be defined.
You will not have the freedom to make decisions on work.
Your work life balance will be seriously affected.
If someone in your department resigns, you will inherit their job instead of getting a replacement.
The people! On the whole they are young, smart, and ready to work & learn.
The benefits are not bad, certainly at par with or in some cases better than what probably obtains in most organizations in their industry and of their size.
Cons
Middle managers, supervisors and team leaders are not as empowered as they should be, so the burden of day-to-day operations falls heavily on the Executive team; leaving less time for strategic planning.