Pros
MasterCard has really good benefits and a bonus and profit sharing program that works well. For the most part people are positive, friendly and helpful. The company also focuses quite a bit on professional development of the staff by requiring development courses be a part of each persons performance review process. They also conduct free seminars and invite subject matter experts to speak on common topics of interest such as personal finance. There are opportunities to grow at Mastercard but as with any company you have to make an effort to market your personal brand so that you can be noticed by senior management.
Cons
Often there is too much red tape involved in executing good ideas. As a public company the focus is now on the bottom line and less on people.