A CEO who started as a telephone operator says this is how to move up in the workplace.

A CEO who started as a telephone operator says this is how to move up in the workplace.

Joyce Leveston, CEO of New York City's Javits Center, started her career answering phones.Javits CenterJoyce Leveston, the Javits Center's first female CEO, started her career as a telephone operator.She once vetoed an exhibitor's plan to lower Michael Jackson from a ballroom ceiling — a lesson in saying no.Leveston's ascension offers a playbook for career advancement.On any given week, the halls of New York City's Javits Center might belong to …