Cressida Dick

Dame Cressida Rose Dick (born 16 October 1960) is a retired British senior police officer. She served as Commissioner of Police of the Metropolis from 10 April 2017 to 10 April 2022. She is the first female and the first openly homosexual officer to lead the service of the Metropolitan Police.
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Dick joined the Met in 1983. From 1995 to 2000, she was a high-ranking officer in the Thames Valley Police. After earning a master's degree in criminology, she returned to the Met in 2001 and held senior positions in the force's diversity directorate, in anti-gang operations and anti-gun crimes, and in counterterrorism operations. 
In June 2009, she was promoted to the rank of assistant commissioner. She was the first woman to hold that post. She served as Acting Deputy Commissioner in late 2011 and 2012 during a vacancy in the office. She oversaw the Met's security preparations for the security operations of the 2012 London Olympics. Dick retired from the Met in 2015 to accept a position at the Foreign Office. But she returned in 2017 upon being selected by the Home Office to succeed Bernard Hogan-Howe as Commissioner of the Metropolitan Police, becoming the first woman to hold that position.