MathWorks – “Interesting work, smart people, solid pay and benefits, limited upside”

Pros

Very talented people
Interesting projects with significant research component
Products have an impact
Good perks, pleasant work environment (most people have offices, not cubes)

Cons

Limited opportunity for advancement
Best teams don't necessarily get needed resources
"Not invented here" syndrome, tendency to reinvent wheel

Advice to Senior Management

Offer a clearer path for career development
Increase developer interaction with larger community in their fields
Prune priorities to achieve better focus and results for the real priorities