Dr Gillian Fairfield says it is important people give feedback so they "get the force they deserve".
Sophie Linden has got a new job as a senior adviser at the Ministry of Justice.
The force is also overhauling its policy on intimate searches of children after the Child Q scandal.
His colleagues challenged the language he was using and made a complaint, the hearing was told.
A Met Police Federation survey finds low morale meant nearly 6000 officers with most saying they feel "worse off".
The brother of murdered Stephen Lawrence says Londoners are not getting a police service they deserve.
The London Assembly meets to discuss changes since Baroness Casey condemned the force in her report.
The Met commissioner will need support from the government to continue his reforms, Sadiq Khan says.
More than £140,000 has been raised to support the two officers sacked for gross misconduct.