William Martínez
@williammartnez
Highly organized finance professional with expertise in data science.
El SalvadorWhat I'm looking for
With 9 years of experience in Financial Planning & Analysis, I have honed my skills in Internal Controls and Compliance, Predictive Modeling, and Data-Driven Decision Making. My journey in finance has been marked by a commitment to operational excellence and a passion for leveraging data to drive strategic decisions.
Currently, I serve as a Financial Control Specialist at LifeMiles, the loyalty program for Avianca Airlines, where I oversee key profit metrics and ensure the accuracy of financial statements. My initiatives have led to a 10% reduction in accounting errors, saving the company over $900K annually. I am dedicated to continuous improvement and thrive in environments that challenge my analytical and leadership skills.
Experience
Work history, roles, and key accomplishments
Financial Control Specialist
LifeMiles
Sep 2024 - Present (1 year 9 months)
Currently coordinating the company’s key profit metric, which represents 20% of Avianca’s total contribution. Oversee accounting closures, financial reviews, and executive reporting, including the most important SOX control of Avianca Airlines, "Breakage."
Financial Control Leader
LifeMiles
May 2023 - Present (3 years 1 month)
Coordinated teams’ activities, including monthly closings, product profitability reports, analysis, and audit procedures. Managed six-year plan projections, annual budget, and variations against approved budget and last year.
Financial Control Coordinator
LifeMiles
Apr 2020 - Present (6 years 2 months)
Developed two cost models to project key expenses (~$140M USD), reducing provision errors by 5%. This initiative resulted in a $7M improvement in profit.
Education
Degrees, certifications, and relevant coursework
UNIVERSIDAD EL SALVADOR, MATH AND SCIENCE SCHOOL
Master's in Statistics and Data Science, Statistics and Data Science
2023 -
Currently enrolled in the Master's program focusing on Statistics and Data Science. This program is expected to be completed in 2025.
ESCUELA SUPERIOR DE ECONOMÍA Y NEGOCIOS (ESEN)
Business Engineer, Business Engineering
2012 - 2016
Completed a Bachelor's degree in Business Engineering in January 2016. The curriculum focused on a blend of business and engineering principles.
Tech stack
Software and tools used professionally
Availability
Location
El SalvadorAuthorized to work in
Job categories
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