Jeffery Dean Tygesen

Corporate Officer/Principal at

Society of Mining Engineers

67 year

100 connections

Non-Energy Minerals

Commercial Services

Energy Minerals

Profile

Jeffery Dean Tygesen currently works at Society of Mining Engineers, as Member and Institute of Corporate Directors, as Member.
Mr. Tygesen also formerly worked at Turquoise Hill Resources Ltd., as Chief Executive Officer & Non-Independent Director from 2014 to 2018, SouthGobi Resources Ltd., as Non-Executive Director from 2014 to 2015, Oyu Tolgoi LLC, as Director, Rio Tinto Plc, as Vice President-Corporate Development, and Diavik Diamond Mines (2012), Inc., as Manager-Mine Development.
Mr. Tygesen received his undergraduate degree and graduate degree from College of Mines & Earth Sciences.

Jeffery Dean Tygesen active positions

Companies	Position	Start
Society of Mining Engineers Society of Mining Engineers Miscellaneous Commercial ServicesCommercial Services Operates as an association of professions serving the mining, minerals and underground construction industries	Corporate Officer/Principal	-
Institute of Corporate Directors Institute of Corporate Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Corporate Officer/Principal	-

All active positions of Jeffery Dean Tygesen

Former positions of Jeffery Dean Tygesen

Companies	Position	End
TURQUOISE HILL RESOURCES LTD.	Chief Executive Officer	01/07/2018
SOUTHGOBI RESOURCES LTD.	Director/Board Member	17/03/2015
Diavik Diamond Mines (2012), Inc. Diavik Diamond Mines (2012), Inc. Other Metals/MineralsNon-Energy Minerals Operates and explores diamond mines	Corporate Officer/Principal	-
Oyu Tolgoi LLC Oyu Tolgoi LLC Provides copper and gold mining services	Director/Board Member	-
RIO TINTO PLC	Corporate Officer/Principal	-

See the detail of Jeffery Dean Tygesen's experience

Training of Jeffery Dean Tygesen

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Jeffery Dean Tygesen's experience

Connections

100 +

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	8
Rio Tinto Plc Rio Tinto Plc Explores and mines for mineral resources
Turquoise Hill Resources Ltd. Turquoise Hill Resources Ltd. Other Metals/MineralsNon-Energy Minerals Engages in exploration of mineral mining properties	Non-Energy Minerals
Diavik Diamond Mines (2012), Inc. Diavik Diamond Mines (2012), Inc. Other Metals/MineralsNon-Energy Minerals Operates and explores diamond mines	Non-Energy Minerals
SouthGobi Resources Ltd. SouthGobi Resources Ltd. CoalEnergy Minerals Explores and develops coal mines	Energy Minerals
Society of Mining Engineers Society of Mining Engineers Miscellaneous Commercial ServicesCommercial Services Operates as an association of professions serving the mining, minerals and underground construction industries	Commercial Services
Institute of Corporate Directors Institute of Corporate Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Commercial Services
Oyu Tolgoi LLC Oyu Tolgoi LLC Provides copper and gold mining services
College of Mines & Earth Sciences College of Mines & Earth Sciences Functions as a College/University