The agency life can be difficult at times. Multiple clients, frequent traveling, and long hours can take a toll on employees. That's why efforts to boost employee engagement, morale, and a sense of unity - even in the biggest firms - is not only important, but it's something that should be initiated by agency management.

"You can hire employees who are very motivated and talented, [but] you constantly must work at maintaining a high sense of morale," says Joel Curran, MD ...