Ronald Thiessen

Ronald Thiessen

Chief Executive Officer at NORTHERN DYNASTY MINERALS LTD.

Net worth: 25 M $ as of 2026-05-30

72 year
Non-Energy Minerals
Consumer Services
Industrial Services

Profile

Ronald William Thiessen currently works at Northern Dynasty Minerals Ltd., as President, Chief Executive Officer & Director from 2001, Hunter Dickinson, Inc., as President, Chief Executive Officer & Director from 2000, Hunter Dickinson Services, Inc., as President, Chief Executive Officer & Director, and Taseko Mines Ltd., as Chairman from 2006.
Mr. Thiessen also formerly worked at Quartz Mountain Resources Ltd., as President, Chief Executive Officer & Director from 2011 to 2017, Great Basin Gold Ltd., as Chairman from 2006 to 2013, Farallon Mining Ltd., as Chairman from 1994 to 2011, Continental Minerals Corp., as Co-Chairman from 1995 to 2011, Rockwell Diamonds, Inc., as Chairman from 2000 to 2007, Amarc Resources Ltd., as Director from 1995 to 2000, Atlatsa Resources Corp., as Executive Director from 1996 to 2001, Quadro Resources Ltd., as Director from 1992 to 2006, Detour Gold Corp., as Director from 2009 to 2012, The Pebble Partnership, as Director, and Casamiro Resource Corp., as President from 1990 to 2002.
Mr. Thiessen received his undergraduate degree from the University of Saskatchewan.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2026-02-02 1,688,694 ( 0.46% ) 13 M $ 2026-05-30
2026-05-18 5,295,081 ( 0.95% ) 12 M $ 2026-05-30

Ronald Thiessen active positions

CompaniesPositionStart
NORTHERN DYNASTY MINERALS LTD. Chief Executive Officer 2001-10-31
TASEKO MINES LIMITED Chairman 2006-02-28
Chief Executive Officer 1999-12-31
Chief Executive Officer -

Former positions of Ronald Thiessen

CompaniesPositionEnd
AMARC RESOURCES LTD. Chief Executive Officer 2019-01-31
QUARTZ MOUNTAIN RESOURCES LTD. Chief Executive Officer 2017-12-14
Chairman 2013-05-31
DETOUR GOLD CORPORATION Chairman 2009-08-20
ATLATSA RESOURCES CORPORATION Director/Board Member 2011-06-21
See the detail of Ronald Thiessen's experience

Training of Ronald Thiessen

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

48

1st degree connections

16

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies16

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Consumer Services

Non-Energy Minerals

Non-Energy Minerals

Casamiro Resource Corp.

Non-Energy Minerals

Industrial Services

  1. Stock Market
  2. Insiders
  3. Ronald Thiessen
40% Discount: Identify Tomorrow's Best Investments With The Best Subscriber-Only Tools!
d
:
:
SEIZE THE OFFER!