A "chief commissioner" is a person who holds the highest position within a particular organization or group. They are in charge of making important decisions and overseeing the operations of the organization. Full definition
Judge Point was originally appointed to the Provincial Court in 1999 where he served until 2005, when he took a leave of absence to work as chief commissioner of the BC Treaty Process. (dyedurhambc.com)
One of Landry's first acts as chief commissioner was to take the commission's web site off the gc.ca federal government web site. (canadianlawyermag.com)
Scout chief commissioner Wayne Bulpitt said: «Throughout its 106 - year history the movement has continued to evolve and today marks an important step in that journey. (politics.co.uk)