chief of police
title given to an appointed official or an elected one in the chain of command of a police department
Pittsburgh Police Chief
head of the Pittsburgh Bureau of Police
Chief of the Los Angeles Police Department
Head of the Los Angeles Police Department
Chief of the Toronto Police Service
head police officer of the Toronto Police Service
Commissioner of Korea Police Agency
Wikimedia list article
National Police Commissioner
head of the Swedish Police Authority
chief police officer
the senior police officer in a police force of the United Kingdom
Metropolitan Police Department of the District of Columbia Chief
head of the Metropolitan Police Department of Washington, D.C.