Rafael Javier Gomez Duque Email & Phone Number

• Led the technical specification, recommendation and on site operation performance assessment of equipment or special products, mine plans valuation, operational reports to the Shareholders and support the process of Time Usage Model review.• Steered the Xeras modeling tool implementation throughout the entire organization, empowering the users in the use of the software to model their processes, thus supporting the financial forecasting process of mine plans and significantly reducing the time requirements from 3 to a 1 week process.

La Guajira Area, Colombia

Reviewed mining equipment investment justification, focused on financially illustrating the benefit of the equipment suggested by the operation, compared to different alternatives (brand/model selection, purchase vs life extension & purchase vs lease). To date, the possibility of postponing equipment has been financially proven, resulting in a decrease in capital requirements for 2018 of US$ 6 million.

La Guajira Area, Colombia

• Partnered with internal clients justified new projects, mainly financially, always gauging requirement in a critical way, not only trying to satisfy clients’ needs but companies’ interests too.• Assessed the financial status and default risk of potential suppliers of strategic projects, specially inquiring their capacity to cope with the future cash flow requirements.

Madrid Area, Spain

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Colombia

• Increased budgeting and expenses control responsibilities from 6 departments (US$ 40Mpa budget) to 9 departments (US$ 72Mpa budget) by following guidelines from shareholders (Anglo American, Glencore and BHP Billiton), through a fast overcoming paced of the learning curve and a high engagement of business relationships with departmental managers. • Optimized and standardized reporting processes by designing new templates, reducing time requirements of recurrent reports for all OPEX financial team (avg. of 20% less time required).• Managed all outsourced contracts of the Financial department (US$ 40k), following guidelines regarding due diligence, contract negotiation, technical and financial justification, and service assessment. • Reported Royalties factors (US$ 236Mpa budget) while building a decision tool model through sensibilities.

Colombia

• Led the Opex division monthly and yearly closure via team collaboration and critical operational expenditure execution analysis, to address problems regarding expense allocation errors.• Forecasted the expenditure budget with a 5 years’ window with high precision, resulting in budget execution lower than 95% of its original value, through identification of cost drivers.• Reinforced senior management decision processes through report preparation by accurately identifying and isolating external economic impacts such as Forex and commodity price variation.

Colombia

- Evaluated Capital expenditure projects (US$ 500k) through post investment reviews while isolating external impacts as price changed, to ultimately understand their performance.

Master Of Business Administration (Mba)

Graduate Degree In Business Logistics

Bachelor’S Degree In Industrial Engineering