SQL
HECTOR DANIEL MARTINEZ DUARTE
ECONOMIST ~DATA SCIENTIST ~ DATA ANALYST
Seoul,11
Summary
Seasoned collaborator experienced in meeting needs, improving processes and exceeding requirements in team environments. Diligent worker with strong communication and task prioritization skills.. Proven to understand customer requirements and translate into actionable project plans. Dedicated and hard-working with passion for Big Data. Detail-oriented and well-qualified with extensive training and experience. Specializing in Econometric modelling Data Scientist familiar with gathering, cleaning and organizing data for use by technical and non-technical personnel. Advanced understanding of statistical, algebraic and other analytical techniques. Meticulous Data Scientist accomplished in compiling, transforming and analyzing complex information through software. Expert in machine learning and large dataset management. Demonstrated success in identifying relationships and building solutions to business problems.
Overview
5
5
years of professional experience
1
1
year of post-secondary education
3
3
Languages
Work History
Data Science Analyst
Jamestown English Center
Cucuta
04.2021 - Current
- Produced monthly reports using advanced Excel spreadsheet functions.
- Implemented code solutions to answer analytic questions and test and assess new methods.
- Participated in requirements meetings to understand business needs.
- Utilized data visualization tools to effectively communicate business insights.
- Identified, analyzed and interpreted trends or patterns in complex data sets.
- Tested data prediction algorithms based on historical data.
- Identified new problem areas and researched technical details to build innovative products and solutions.
- Leveraged artificial intelligence and machine learning algorithms for standalone products and enhanced existing product offerings.
- Transformed raw data to conform to assumptions of machine learning algorithm.
- Collaborated with multi-disciplinary product development teams to identify performance improvement opportunities and integrate trained models.
- Designed, implemented and evaluated new models and rapid software prototypes to solve problems in machine learning and systems engineering. reducing time response by 15%.
- Used statistical methods to analyze data and generate useful business reports.
- Collaborated with business-unit leaders to identify and prioritize problems.
- Modeled predictions with feature selection algorithms.
- Analyzed large datasets to identify trends and patterns in customer behaviors.
- Leveraged mathematical techniques to develop engineering and scientific solutions.
Statistical Manager
City Hall of Cúcuta
Cucuta
10.2020 - 12.2021
- Utilized advanced querying, visualization and analytics tools to analyze and process complex data sets.
- Worked with stakeholders to develop quarterly roadmaps based on impact, effort and test coordinations.
- Created and implemented new forecasting models to increase company productivity.
- Assessed accuracy and effectiveness of new and existing data sources and data analysis techniques.
- Develop econometric models and analysis for measuring of municipal development plan (Implementation of 100%)
- Prepare measurement instruments for constructing indicators in accordance with municipal development plan
- Generate reports and dashboards to display information for sake of assertive decision making
- Monitor historical development of indicators and generate predictive models for anticipation and risk management.
- Compiled, cleaned and manipulated data for proper handling.
Executive Administrative Assistant
Acabados y Arquitectura ECA
Bogota
01.2019 - 11.2019
- Preparation of financial reports, compilation of information from company's departments and their systematization, information analysis and file management; On other hand, additional functions were related to over phone customer service in
- English and Spanish, face-to-face, and online, correspondence monitoring management, verification of compliance with performance goals, management of company documents and assistance in organization's database
- All above based on comprehensive customer service with purpose of providing personalized experience to each of customers and suppliers according to their needs and considering professionalism ,and human quality
- Produced accurate office files, updated spreadsheets, and crafted presentations to support executives and boost team productivity.
- Organized and updated schedules for executives.
- Used software to coordinate meetings, appointments, and tasks senior executives.
- Likewise, in 2019 it was possible to complete systematization of organizational and financial processes in company's database, through creation of module for contact and response management in efficient manner with reduction in waiting time of 30%.
Education
Master of Science - Strategic Management - Business Administration
Hanyang University
Seoul, South Korea 08.2022 - Current
Korean Language - Language
Konyang University
Nonsan, South Korea 09.2021 - 08.2022
Bachelor of Science - Economics
Universidad De Pamplona
Cucuta, Colombia 08.2015 - 09.2019
Skills
Proposal Development
Analytical and Critical Thinking
Machine learning
Statistical analysis
Data Mining
Data quality assurance processes
Data profiling
Activity diagrams
Data validation
Technical Writing
Data analysis
Data Science
Strategic planning
Forecasting skills
Decision-Making
Accomplishments
- Collaborated with team of 10 in the development of Measurement of indicators for the City hall of Cucuta.
- Resolved product issue through consumer testing.
- Supervised team of 3 staff members.
- Achieved Implementation of Automatic ML algorithm on Class scheduling ng required for enhancing the allocation of resources by facilitating the creation of an optimized class structure based on anticipated student demand and scheduling preferences.
- Proficient in developing Key Performance Indicators (KPIs) to systematically measure and evaluate classroom utilization. My focus lies in optimizing the deployment of physical resources, ensuring efficient allocation of classrooms. This involves strategic analysis of usage patterns to enhance resource utilization, streamline operations, and contribute to the overall effectiveness of space management.
- Achieved Implementation of algorithm resulting in a 25% increase in attendance rates with accuracy and efficiency.
- Accomplished the implementation of a protocol that yielded a substantial 45% reduction in cancellation rates, showcasing heightened precision and operational efficiency.
Affiliations
Colombian Society of Economists
Software
R
SPSS
Eviews
Stata
Knime
Office (Excel, Access)
Tableau
Power BI
Timeline
Master of Science - Strategic Management - Business Administration
Hanyang University
08.2022 - Current
Korean Language - Language
Konyang University
09.2021 - 08.2022
Data Science Analyst
Jamestown English Center
04.2021 - Current
Statistical Manager
City Hall of Cúcuta
10.2020 - 12.2021
Executive Administrative Assistant
Acabados y Arquitectura ECA
01.2019 - 11.2019
Bachelor of Science - Economics
Universidad De Pamplona
08.2015 - 09.2019