Definition of Chief of Staff

A person with the role where he or she works on important initiatives for the CEO of the comapny. The work is usually special projects that the CEO wants to get done but does not have time to do it themselves. It is often a role taken to accelerate a person's career, which can lead them to executive roles like being a VP or SVP.

Example: The Chief of Staff was responsible for launching the company's new product and sharing the results with the company.

Variations: CoS

Usage of "Chief of Staff" by Country

Business English is used in many different countries around the world. Some of the words and phrases listed on this site will be understood everywhere Business English is used, but some words and phrases are only used in specific countries. The map below shows where "Chief of Staff" is most commonly used.

Word Usage Map

Learn More About "Chief of Staff"

"Chief of Staff" is in the top 30% most popular words looked up on this site.

"Chief of Staff" is used in the workplace during meetings or emails.

The definition for "Chief of Staff" was last updated in 2022.

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Business English Quiz

Question: What does "Calendar Invite" mean?

   (A) When a person wants to meet with you next week.
   (B) An email sent to schedule a meeting with the option to either accept or decline the meeting at the scheduled time.
   (C) When a person has available time on their calendar to meet with you.
   (D) When a person does not have any time to meet with you.

Answer: Find out the right answer here.

About This Site

Jargonism is a Business English dictionary. You can learn about words and phrases that are commonly used in the workplace like Circle Back, Thought Leader, and Offsite. We also have a Word of the Day, which is a daily Business English vocabulary word that is commonly used in the workplace.

On this site, we also have templates on how to communicate effectively at work, such as requesting PTO, declining a promotion, and taking a sick day.

Word of the Day

Date: 02/01/2023

Word: Close It Out

Definition: To mark something as completed.

Example: This task has been fixed, so let's close it out within the task tracker.

Cite This Page

"Chief of Staff." Dictionary, Accessed 02/01/2023.