Chiefs of staff from around the world have shared their experiences of working with the most powerful leaders, providing a rare glimpse into their roles.
These individuals are often the second-most powerful people in the rooms where major political decisions are made, yet they remain largely unknown to the general public.
"The (chief of staff) role has this professional intimacy, it's such a unique role and the biggest takeaway was that at the end of the day it does come back to friendship,"
According to Phoebe Saintilan-Stocks, author of the book "The Right Hand", trust and loyalty are essential components of the chief of staff role, and once these are lost, it becomes impossible to continue working together.
Author's summary: Chiefs of staff share their experiences working with powerful leaders.