According to the text, executive secretaries:

Read the following text and choose the answer which best fits the ideas in the text: 

“Executive secretaries are responsible for maintaining their manager’s schedules and organizing calendars. They schedule departmental meetings and arrange for conference rooms to be used. Depending on the executive, secretaries may also be tasked with setting some of their manager’s personal appointments as well.”

(by Heather Eastridge from http:// www.ehow.com/facts_5256675_executive-secretary-duties-res)