Notes From The Mafia

The Fundamentals of Time Management

Mastering the Calendar: An Intro to Time Management  When I started supporting Dick Costolo at Twitter as an executive assistant, day 1 on the job was my first experience...

How do I become a Chief of Staff (COS)?

If you are an Executive Assistant, you may be considering becoming a Chief of Staff (COS). You may be wondering: If I am a senior Executive Assistant, should I...

As a CEO, do I need to hire a Chief of Staff?

The role of a Chief of Staff (COS) is so important. I recently reflected on the various types of Chief of Staff roles and how a COS contributes to...

What is a Chief of Staff, and what do they do?

Over the past decade, I have seen a gradual pick up in the number of Chief of Staff (COS) roles supporting CEOs within the tech industry. In the past...