Sullivan was president of Commodore Cruise Line and Cunard's senior vice president of worldwide sales and marketing.

Smashburger, the fast-casual restaurant company that popularized smashed burgers, today announced the promotion of Jim Sullivan to Chief Executive Officer. Sullivan, who has served as President since ...

Smashburger, the Denver-based burger chain known for its namesake offering, has promoted President Jim Sullivan to the position of CEO. Sullivan, previously Smashburger’s chief development officer, ...

Ex-employees say Jim Sullivan ran his empire like the dictator he named a restaurant after. But slowly, the temper of the calls shifted — going from “how could this happen” to “how could he do this” — ...