Pros
You get the chance to work with great global clients in challenging projects. You get the opportunity to show what you've got and experience a steep learning curve. You can travel to other countries for your client and work together with consultants from other teams globally.
Cons
The Manpower culture (money money money) is very unattractive for professionals who have different drivers and motivation. Leadership doesn't get it and the gap gets bigger and bigger. You can sell 'successful companies have successful people' but do you know what it entails? Leaders seem to be selected on the basis of their analytical skills and dominance- but they focus on themselves rather than on facilitating consultants. They delegate assignments rather than responsibilities and 'forget' to thank you whilst they celebrate 'their' successes. There's a lot of negative talk about consultants. Sales rules, even when it comes to content and expert knowledge. There's no investment in development (budget for training) at all and it has been like that for years. Employees are only seen as billable hour production units. No bottom up sharing or learning, just top down push. Work hard is for you- but the play hard part is for management only.