She traveled to countries around the world while working for the late King Hussein of Jordan, but it was her one-on-one ­encounters with his majesty that helped inspire ­Snezana Pejic to open an etiquette school in Brookline this fall.

Pejic worked as a protocol staffer for the king of Jordan in the early 1990s, guiding dignitaries through the ceremonies and etiquette of affairs of state.