Mario Ruygrok

Corporate Officer/Principal en Human Sciences Research Council .

Non-Energy Minerals

Consumer Services

Commercial Services

Perfil

Mario Ruygrok currently works at Human Sciences Research Council, as Member.
Mr. Ruygrok also formerly worked at The National Geographic Society, Inc., as Principal and Theta Gold Mines Ltd., as Group Geologist from 2012 to 2015.
Mr. Ruygrok received his graduate degree in 1992 from the University of Johannesburg.

Cargos activos de Mario Ruygrok

Empresas	Cargo	Inicio
Human Sciences Research Council	Corporate Officer/Principal	-

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Antiguos cargos conocidos de Mario Ruygrok.

Empresas	Cargo	Fin
THETA GOLD MINES LIMITED	Corporate Officer/Principal	30/11/2015
The National Geographic Society, Inc. The National Geographic Society, Inc. Miscellaneous Commercial ServicesCommercial Services The National Geographic Society, Inc. operates as a non-profit scientific and educational institution. Its interests include geography, archeology and natural science, and the promotion of environmental and historical conservation. The company was founded in 1888 and is headquartered in Washington, DC.	Corporate Officer/Principal	-

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Formación de Mario Ruygrok.

University of Johannesburg

Graduate Degree

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Empresas relacionadas

Empresas cotizadas	1
THETA GOLD MINES LIMITED	Non-Energy Minerals

Empresas privadas	2
The National Geographic Society, Inc. The National Geographic Society, Inc. Miscellaneous Commercial ServicesCommercial Services The National Geographic Society, Inc. operates as a non-profit scientific and educational institution. Its interests include geography, archeology and natural science, and the promotion of environmental and historical conservation. The company was founded in 1888 and is headquartered in Washington, DC.	Commercial Services
Human Sciences Research Council