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Trevali Mining
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Ricus Grimbeek
President & CEO
Andrés Valencia Lopez
Exploration Geophysicist
David Schummer
COO
Derek Du Preez
Chief Technical Officer
Joanne Thomopoulos
Chief People Officer
+ 12 more
July, 2018 - present
Senior Exploration Geophysicist at Ithaca Energy
Superintending Geophysicist (manager) – Project Mgmt. Office Of Director (exploration) at Oil and Natural Gas Corporation Ltd