APR expert turned down role as Princess Kate's private secretary.
Alison Corfield was tipped to take over but rejected the role.
She didn't want the publicity that comes with working for a senior member of the royal family.
Corfield is an integral member of the campaigning team.
Kate's former private secretary began her role in June 2020.
Corfield has worked with Jamie Oliver for eight years.
Kensington Palace's hiring process typically hires aides from the civil service and government ministries.
Kate recently launched her first major campaign in her new role.
Kate is known for her passion for the early years and child development.