Quinlan MBA student Julie Breckenfelder meets with her colleagues at Upshot, the Chicago marketing firm where she works. “We demand the best of each other,” she says, “and we have a truly great time doing it.” (Photos by Natalie Battaglia.)

With little free time, Breckenfelder has to make the most of every moment. Here, she jots down some notes between meetings.

Breckenfelder makes a presentation during an international business course at Quinlan.