Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

1963: Bill's son, Robert (above), takes over as CEO and president. There are 100 stores, all franchises.

1966: Dunkin' Donuts University opens. Its goal: ensure consistency of the products across the franchises.

Last updated September 07 2011: 6:16 AM ET
Join the Conversation
13 startup stars on the verge of an IPO

They are those small, innovative companies looking to cash in. Fortune spotlights a baker's dozen that show lots of promise.