Hein Frey joined Trevali Mining in 2017.
Hein Frey is currently Vice President of Operations at Trevali Mining - View - Trevali Mining org chart
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Hein Frey has a Bachelor from University of Johannesburg in 2002 and a Master of Business Administration from Stellenbosch University in 2019.
They have also studied at University of Johannesburg :
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They have also studied at Stellenbosch University :
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