Martha E. Villalba, Ph.D. Email & Phone Number

Quebec, Canada

Assessment of the potential of Integrated Strategic Planning techniques to improve the economics, considering:Open Pit and/or Underground OptimizationActivity Based Costing (ABC) and Theory of Constraints (TTOC)Cut Off Optimization and StockpilingProcessing Optimizationand new technology

Montreal, Quebec, Canada

• REPRESENTATIVE PROJECTS:Dundee Precious Metals – Timok Gold Project – Serbia (April to 16 June 2020)
• Pre Feasibility study, model of initial operating cost and capital expenses based on activity base costing (ABC) theory and PEA parameters. Preliminary evaluation of optimal mine equipment fleet selection.Quebec Iron.
• Due Diligence, Feasibility study phase 2, mining review of mine production schedule optimization, mine equipment fleet selection, dilution and mining recovery assumptions, haulage system, operating cost and ore.
• NSR formulation in preliminary economic assessment US Steel – Keetac Mine – Minnesota (2018-2020)
• Phases definition and strategic mine planning evaluation based on optimization algorithms.
• Optimization of hauling, production and stockpile mine-schedule (respecting lease holder agreements) IAMGOLD – BOTO Project (2019)

Montreal, Quebec, Canada

• Formulated a underground mine production schedule and stope layout optimization with dilution management, accounting for gold orebody uncertainty, and including mining considerations using meta-heuristic algorithms.
• Gold orebody estimation and simulations using GsLib, CCG Fortran programs, and SGems.
• Calibrated control parameters in meta-heuristic algorithms using experimental design in JMP.
• Assessed reliability and simulation of mining systems using Reliasoft and Arena respectively.

Montreal, Quebec, Canada

• Developed a robust simultaneous short-term sequence of mining, fleet allocation considering for mining width, and mining direction optimization to minimize costs using programming languages such as C++, and CPLEX for.
• Incorporated orebody uncertainty in previous robust short term formulation and also include future data to have better informed evaluation at short scale which have good performance during operations.
• Estimated and simulated orebody models using GsLib, COSMO Fortran programs, and SGems.
• Mine Design and Pit Optimization using Datamine and Whittle.The Centre for Stochastic Mine Planning (COSMO) is a collaborative mining engineering laboratory based out of McGill University that implements advanced.

Edmonton, Alberta, Canada

• Proposed simulation to quantify the uncertainty in the global mean for improving geostatistical modeling using Fortran.
• Simulation of mining systems with Visual Slam and AweSim.
• Orebody estimation and simulations using GsLib, CCG Fortran programs, and SGems
• Mine Design and Pit Optimization by using Matlab, Gemcom and Whitle.. Gold orebody simulation, Cut-off optimization accounting for gold orebody scenarios using GsLib and Whittle.The Centre for Computational.

Val d'or, Quebec, Canada

• Strategic long-term and medium-term production schedule using Vulcan, and AutoCAD in a vein gold deposit.
• Prepared daily corporate report of gold ounces production, stockpiles state, plant recovery and fleet performance.

Tintaya, Espinar, Cusco, Peru

• Technical leader of resource and reserve evaluation team.
• Resource estimation of skar copper, gold, silver and molybdenum deposits, classification, and reporting for medium-term and long-term mine planning. Implementation of simulation to improve production schedules using.

Tintaya, Espinar, Cusco, Peru

• Resource estimation of skar copper deposit, gold, silver and molibdeno, classification, and reporting for medium-term and long-term mine planning. Implementation of simulation to improve production schedules using.
• Estimation of oxide and sulphide stockpiles model to assist long-term to short-term mine planning.
• Formulated and implemented set the routines for daily production model estimation that define dig limits, material types based on metallurgical considerations to support short-term mine planning and reconciliation.
• To reduce risk of matching production targets, developed a quarterly block model to improve medium-term mining planning, where drillholes, blastholes, quarterly geologic interpretation, and geological mapping were.
• Prepared and updated (monthly and yearly) reconciliation within corporation standards, which results were discussed with geologists and engineers to improve mining activities.
• Evaluated Resource and Reserve of Antapaccay and Corcohuayco project projects and Tintaya expansions.

• Study and analysis of times in the hauling system network.
• Assistance on the blasting pattern design, daily topography update, short term mining cuts definition.
• Collaborate on safety and environments process.

Doctor Of Philosophy - Phd, Mining Engineering

Master Of Engineering (Meng), Mining Engineering (Stochastic Mine Planning)

Thesis "Stochastic Short-term Production Scheduling Accounting for Fleet Allocation, Operational Considerations, Blending Restrictions and.

Master Of Science (Msc), Mining Engineering (Geostatistics)

Thesis "Uncertainty in the Global Mean for Improved Geostatistical Modeling"

Bachelor Of Science (B.Sc.), Mining Engineering