List of Royal Canadian Mounted Police commissioners
List of Commissioners

Agency
Number
Name
Term Start
Term End
Notes
North-West Mounted Police (NWMP) (1873–1920)
1.
W. Osborne Smith
September 25, 1873
October 17, 1873
First Commissioner of the NWMP.
North-West Mounted Police (NWMP) (1873–1920)
2.
George Arthur French
October 18, 1873
July 21, 1876
-
North-West Mounted Police (NWMP) (1873–1920)
3.
James Farquharson MacLeod
July 22, 1876
October 31, 1880
-
North-West Mounted Police (NWMP) (1873–1920)
4.
Acheson Gosford Irvine
November 1, 1880
March 31, 1886
-
North-West Mounted Police (NWMP) (1873–1920)
5.
Lawrence William Herchmer
April 1, 1886
July 31, 1900
-
North-West Mounted Police (NWMP) (1873–1920)
6.
Aylesworth Bowen Perry
August 1, 1900
March 31, 1923
The NWMP merged with the Dominion Police in 1920 to form the RCMP, thus Perry was the final Commissioner of the NWMP and the first Commissioner of the RCMP.
Royal Canadian Mounted Police (RCMP) (1920–present)
6.
Aylesworth Bowen Perry
August 1, 1900
March 31, 1923
The NWMP merged with the Dominion Police in 1920 to form the RCMP, thus Perry was the final Commissioner of the NWMP and the first Commissioner of the RCMP.
Royal Canadian Mounted Police (RCMP) (1920–present)
7.
Cortlandt Starnes
April 1, 1923
July 31, 1931
-
Royal Canadian Mounted Police (RCMP) (1920–present)
8.
Sir James Howden MacBrien
August 1, 1931
March 5, 1938
-
Royal Canadian Mounted Police (RCMP) (1920–present)
9.
Stuart Taylor Wood
March 6, 1938
April 30, 1951
-
Royal Canadian Mounted Police (RCMP) (1920–present)
10.
Leonard Hanson Nicholson
May 1, 1951
March 31, 1959
-
Royal Canadian Mounted Police (RCMP) (1920–present)
11.
Charles Edward Rivett-Carnac
April 1, 1959
March 31, 1960
-
Royal Canadian Mounted Police (RCMP) (1920–present)
12.
Clifford Walter Harvison
April 1, 1960
October 31, 1963
-
Royal Canadian Mounted Police (RCMP) (1920–present)
13.
George Brinton McClellan
November 1, 1963
August 14, 1967
-
Royal Canadian Mounted Police (RCMP) (1920–present)
14.
Malcolm Francis Aylesworth Lindsay
August 15, 1967
September 30, 1969
RCMP Patrol Vessel Lindsay was named in his honour.
Royal Canadian Mounted Police (RCMP) (1920–present)
15.
William Leonard Higgitt
October 1, 1969
December 28, 1973
RCMP Patrol Vessel Higgitt was named in his honour.
Royal Canadian Mounted Police (RCMP) (1920–present)
16.
Maurice Jean Nadon
January 1, 1974
August 31, 1977
RCMP Patrol Vessel Nadon was named in his honour. The present day RCMP National Headquarters building in Ottawa was named in his honour on October 05th, 2011.
Royal Canadian Mounted Police (RCMP) (1920–present)
17.
Robert Henry Simmonds
September 1, 1977
August 31, 1987
RCMP Patrol Vessel Simmonds was named in his honour.
Royal Canadian Mounted Police (RCMP) (1920–present)
18.
Norman Inkster
September 1, 1987
June 24, 1994
RCMP Patrol Vessel Inkster was named in his honour.
Royal Canadian Mounted Police (RCMP) (1920–present)
19.
Joseph Philip Robert Murray
June 25, 1994
September 1, 2000
-
Royal Canadian Mounted Police (RCMP) (1920–present)
20.
Giuliano Zaccardelli
September 2, 2000
December 15, 2006
-
Royal Canadian Mounted Police (RCMP) (1920–present)
21.
Beverley Busson
December 15, 2006
July 16, 2007
Interim Commissioner; Busson was the RCMP's first female Commissioner.
Royal Canadian Mounted Police (RCMP) (1920–present)
22.
William J. S. Elliott
July 16, 2007
November 20, 2011
First civilian Commissioner.
Royal Canadian Mounted Police (RCMP) (1920–present)
23.
Bob Paulson
November 21, 2011
June 30, 2017
-
Royal Canadian Mounted Police (RCMP) (1920–present)
—
Dan Dubeau
June 30, 2017
April 16, 2018
Acting Commissioner; Dubeau served in the role at the rank of Deputy Commissioner.
Royal Canadian Mounted Police (RCMP) (1920–present)
24.
Brenda Lucki
April 16, 2018
Incumbent
Current Commissioner; Lucki is the RCMP's first permanent female Commissioner.

Question: How long was Giuliano Zaccardelli tenure as Royal Canadian Mounted Police (RCMP)  from the start to the end of his term?
Answer: Giuliano Zaccardelli is a Royal Canadian Mounted Police (RCMP) Commissioner from 2 September 2000 to 15 December 2006.