Office of the Commissioner of Lobbying of Canada

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Registry of Lobbyists

Registration - Consultant

Ericsson Canada Inc. / WILLIAM PRISTANSKI, Consultant

Registration Information

Client name: Ericsson Canada Inc.
Lobbyist name: WILLIAM PRISTANSKI, Consultant
Initial registration start date: 2009-08-19
Registration status: Active
Registration Number: 776750-250382

Associated Communications

Total Number of Communication Reports: 71

Monthly communication reports in the last 6 months: 0

Version 21 of 22 (2025-10-06 to 2026-01-28)

Version 21 of 22 (2025-10-06 to 2026-01-28)



Responsible Officer Name

This is the responsible officer name as provided in the most recent registration for the corporation or organization.

Name Change History:

Ericsson Canada Inc.

The following names have been used on or after July 2, 2008

Name From To
Ericsson Canada Inc. 2009-08-19 current

Responsible Officer Change History

Ericsson Canada Inc.

Responsible Officer History
Responsible Officer Name From (YYYY-MM-DD) To (YYYY-MM-DD)

Public offices held: WILLIAM PRISTANSKI

List of Public Offices Held
Position Period Held Last Date Designated Public Office Held
Chief of Staff to the Minister of the Environment
Environment Canada, Office of the Minister of the Environment 		September 1990 to August 1991 Not a designated office
Chief of Staff to the President and Charir of Chiefs of Staffs to Ministers
Office of the President of Treasury Board, Treasury Board Secretariat 		June 1989 to September 1990 Not a designated office
Chief of Staff to the Solicitor General of Canada
Secretariat to the Solicitor General, Office of the Solicitor General 		June 1987 to June 1989 Not a designated office
Director of Operations, Scheduling and Tour
Prime Minister's Office, Office of the Chief of Staff 		January 1987 to June 1987 Not a designated office
Executive Assistant to the Prime Minister of Canada
Prime Minister's Office, Prime Minister's Office 		September 1984 to January 1987 Not a designated office
Executive Assistant to the Leader of the Opposition
Office of the Leader of the Opposition, House of Commons 		September 1983 to September 1984 Not a designated office

Public offices held: WILLIAM PRISTANSKI

List of Public Offices Held
Position Period Held Last Date Designated Public Office Held
Chief of Staff to the Minister of the Environment
Environment Canada, Office of the Minister of the Environment 		September 1990 to August 1991 Not a designated office
Chief of Staff to the President and Charir of Chiefs of Staffs to Ministers
Office of the President of Treasury Board, Treasury Board Secretariat 		June 1989 to September 1990 Not a designated office
Chief of Staff to the Solicitor General of Canada
Secretariat to the Solicitor General, Office of the Solicitor General 		June 1987 to June 1989 Not a designated office
Director of Operations, Scheduling and Tour
Prime Minister's Office, Office of the Chief of Staff 		January 1987 to June 1987 Not a designated office
Executive Assistant to the Prime Minister of Canada
Prime Minister's Office, Prime Minister's Office 		September 1984 to January 1987 Not a designated office
Executive Assistant to the Leader of the Opposition
Office of the Leader of the Opposition, House of Commons 		September 1983 to September 1984 Not a designated office

Within a registration amendment, you will only be able to add the following elements to the inactive registration:

  • Subject Matter Details
  • Government Funding

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