22 pieces of career advice you're bound to get from business school, according to successful MBA graduates

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"Something I learned during my MBA was to be very good at saying no to things," said D'vorah Graeser, founder of KISSPatent and graduate of the University of Missouri's Trulaske College of Business.

• Once you get to business school, what can you expect from the experience?
• Well, if you don't want to wait to find out, we asked 22 graduates from top institutions such as Harvard Business School, Stanford Graduate School of Business, and Columbia Business School the best advice they got from their MBA programs.
• Some of the biggest lessons that came out of the classroom include getting good at saying no, believing in yourself enough to take risks, and seeking out and learning from diverse individuals.
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After investing up to $200,000 and two full years in your business school education, what exactly will you have learned when you emerge at the other end of the experience?

We asked 22 MBA graduates from some of the top institutions who have gone on to launch their own successful companies to share the best advice they received in business school. Here's some insight into what it means to be a successful founder or employee once you emerge from the classroom.