Chicagoans is a first-person account from off the beaten track, as told to Anne Ford. This week’s Chicagoan is Stacey Espinosa, 31, global R&D senior manager for new benefits and mints, Mars Wrigley Confectionery.

So I majored in chemical engineering. On the first day, the professor asked everyone why they had chosen chemical engineering, and I said, “I want to make candy.” And then years later, when I got the call to work for Wrigley—you know the Miss America cry, where she’s so excited and she can’t believe it? That’s what it felt like.