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 GSC Management

• Brian Esser
  Vice President, Global Supply Chain
  Phone - 602.366.8583 
• Tim Joyner
  Senior Director, Africa
  Phone - 602.366.8156                                            
• Kim Szeg
  Senior Director, Strategic Commodity Management
  Phone - 602.366.8451
• Daniel Torreblanca
  Director, South America
  Phone - 56.2.873.1234
• Patrick Costello
  Director, Materials Management
  Phone - 602.366.7945 
• Laura Musgrove
  Manager, Business Processes
  Phone - 602.366.8519
• Christopher Porter 
  Manager, North America
  Phone - 602.366.8424
• Karen Smith
  Manager, Africa
  Phone - 602.366.7995
  

GSC Commodity Managers

• Jason Tininenko  
  Commodity Manager, Global
  Commodities - Drill Bits, Drill Steel, Drills, Shovels, Dipper Fitment (GET), Hoist Cables 
  Phone - 602.366.8220
• Alvaro Meneses
  Commodity Manager, NA
  Commodities - Drill Bits, Drill Steel, Explosives, Hoist Cables (Electrical), Wire and Cable, Wear Material, Cathode Blanks, Lead Anodes, Drip Line, Sulfuric Acid, MRO Steel, Pumps, Electrical Supplies, Transformers
  Phone - 56.873.1220
• Cynthia Davis  
  Commodity Manager, NA
  Commodities - Explosives, Fuel, Lubricants, Mining Information Systems
  Phone - 602.366.8556
• Sergio Henriquez
  Commodity Manager, SA
  Commodities - Fuels, Lubricants, Electricity
  Phone - 56.2.873.1232 
• Sterling Webb
  Strategic Commodity Manager, Global
  Commodities - Mobile Equipment, Tires 
  Phone - 602.366.7996
• Gary Rogers
  Commodity Manager, Global
  Commodities - Conveyor Belting, Conveyor Components, Crusher Liners (Primary and Secondary), Crusher Parts, Grinding Balls, Mill Liners, Mill Parts
  Phone - 602.366.8415
• Dan Christensen
  Commodity Manager, NA
  Commodities - Power Transmission (MRO), Variable Frequency Drives (VFD), Drip Line, HDPE Pipe & Fittings, Distributor Chemicals, MRO Steel, Motors, Electrical  
  Phone - 602.366.8238
• Leonard Hill
  Strategic Commodity Manager, Global
  Commodities - Reagents (Flotation), Sodium Hydrosulfide, Lime (AZ/NM), Acid Mist Suppressant, Cobalt Sulfate, Diluent, Reagents (SX/EW)
  Phone - 602.366.8426
• Fernando Rojas
  Commodity Manager, SA
  Commodities - Reagents (Flotation), Water Treatment, Lime, Grinding Balls, Mill Liners, Mill Parts 
  Phone - 56.2.873.1535
• Ramsey Musa
  Strategic Commodity Manager, NA
  Commodities - Sulfur 
  Phone -  602.366.8144
• Marcelo Novaes
  Commodity Manager, NA
  Commodities - Sulfuric Acid
  Phone - 602.366.8358
• Deborah Wright
  Regional Supply Chain Manager, NA
  Commodities - Janitorial Supplies, Office Supplies, Computer, Computer Peripherals
  Phone - 602.366.8027
• Juan Pablo Reyes
  Commodity Manager, Global
  Commodities - Exploration Drilling, Exploration Analytics Peripherals
  Phone - 602.366.8153
• Brian Buttram
  Senior Commodity Leader, Global
  Commodities - Environmental
  Phone - 602.366.8565
• Dan Bleak
  Strategic Commodity Manager, NA
  Commodities - Service Contracts, Engineering, Maintenance, Construction
  Phone - 602.366.8466
• Gonzalo Larraguibel
  Commodity Manager, SA
  Commodities - Service Contracts, Engineering, Maintenance, Construction
  Phone - 56.2.873.1284