The culture is predicated on career development, both by yourself and even by your boss. We interns felt as if we were already fully a part of Amex from day one, even though it was a 10-week internship.
What I wish was different
Advice
Utilize any opportunity to network with people, especially senior roles in other business units that you think you would be interested in having a role in. Research the individual and have a general understanding of who they are before meeting them!