Mario Ruygrok

Corporate Officer/Principal bei Human Sciences Research Council

Non-Energy Minerals

Consumer Services

Commercial Services

Aktive Positionen von Mario Ruygrok

Unternehmen	Position	Beginn	Ende
Human Sciences Research Council	Corporate Officer/Principal	-	-

Unternehmen	Position	Beginn	Ende
THETA GOLD MINES LIMITED	Corporate Officer/Principal	01.06.2012	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	-	-

University of Johannesburg

Graduate Degree

International

Operativ

Corporate Officer/Principal	3
Graduate Degree	1

Sektoral

Besetzte Positionen

Aktive

Inaktive

Börsennotierte Unternehmen

Private Unternehmen

Börsennotierte Unternehmen	1
THETA GOLD MINES LIMITED	Non-Energy Minerals

Private Unternehmen	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

Private Unternehmen

Commercial Services

Human Sciences Research Council