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Joan Diaz

@joandiaz

Management Control Manager at Atlántica Seguros, turning insurance performance data into executive Power BI dashboards.

Dominican Republic
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At Atlántica Seguros, I lead management control and track technical, commercial, and financial results against the strategic plan and annual budget. I design Power BI reports and dashboards for the Presidency, committees, and area managers.

At Banco Popular Dominicano, I directed the management control team in the Credit Management and Control Division. I implemented business intelligence solutions for monitoring the loan portfolio and built and maintained SQL Server databases and data models for reporting and analysis.

Earlier, at Marítima Dominicana, I analyzed vessel operating costs and developed KPIs to track operational and commercial performance. At the Oficina Nacional de Estadística, I built and cleaned water-sector statistics databases and prepared statistical reports.

Experience

Work history, roles, and key accomplishments

MS

Analista de Inteligencia de Negocios

Marítima Dominicana, S.A.S.

Sep 2021 - May 2022 (8 months)

Desarrolló análisis de costos de las operaciones de buques para identificar oportunidades de eficiencia. Construyó estadísticas y métricas KPI para el seguimiento del desempeño operativo y comercial.

OO

Técnico de Levantamiento de Datos

Oficina Nacional de Estadística (ONE)

Mar 2021 - Sep 2021 (6 months)

Construyó y depuró bases de datos de las estadísticas del sector agua de la República Dominicana. Redactó informes estadísticos y formuló propuestas basadas en evidencia para el sector.

Education

Degrees, certifications, and relevant coursework

Udemy logoUD

Udemy

Master Data Mining in Data Science & Machine Learning, Data Science

2025 - 2025

Completed the Master Data Mining in Data Science & Machine Learning course.

IBM logoIB

IBM

Estadística para la Ciencia de Datos con Python, Data Science

2023 - 2023

Completed the course Estadística para la Ciencia de Datos con Python.

LL

LinkedIn Learning

Análisis Financiero y Finanzas Corporativas, Finance

2023 - 2023

Completed the course Análisis Financiero y Finanzas Corporativas.

LL

LinkedIn Learning

Fundamentos de Finanzas: Análisis de Informes Financieros, Finance

2023 - 2023

Completed the course Fundamentos de Finanzas: Análisis de Informes Financieros.

LL

LinkedIn Learning

Power BI: Modelado de Datos con DAX, Business Intelligence

2022 - 2022

Completed the course Power BI: Modelado de Datos con DAX.

Universidad Internacional Isabel I de Castilla logoUC

Universidad Internacional Isabel I de Castilla

Máster, Big Data and Business Intelligence

Completed a Master's in Big Data and Business Intelligence, a 1,500-hour program (60 ECTS) covering ETL, Big Data and BI, Customer Analytics, Big Data Marketing, and E-commerce.

Banco Popular Dominicano logoBD

Banco Popular Dominicano

Prevención de Lavado de Activos, Compliance

2022 - 2022

Completed the course Prevención de Lavado de Activos.

Udemy logoUD

Udemy

Fundamentos de Finanzas Tecnológicas, Finance

2022 - 2022

Completed the course Fundamentos de Finanzas Tecnológicas.

Universidad Autónoma de Santo Domingo logoUD

Universidad Autónoma de Santo Domingo

Licenciatura, Economics

Earned a Licenciatura in Economics from the Faculty of Economic and Social Sciences.

Udemy logoUD

Udemy

Power BI: Análisis de Datos y BI, Business Intelligence

2021 - 2021

Completed the course Power BI: Análisis de Datos y BI.

Udemy logoUD

Udemy

SQL Server: Análisis de Datos con Tableau, Data Analysis

2021 - 2021

Completed the course SQL Server: Análisis de Datos con Tableau.

Udemy logoUD

Udemy

SQL: Creación de Bases de Datos, Database

2021 - 2021

Completed the course SQL: Creación de Bases de Datos.

Fundación Carlos Slim logoFS

Fundación Carlos Slim

Administrador de Bases de Datos, Database Administration

2020 - 2020

Completed the course Administrador de Bases de Datos.

Universidad Autónoma de Santo Domingo logoUD

Universidad Autónoma de Santo Domingo

Diplomado en Procesamiento de Datos con SPSS, Data Processing

2017 - 2017

Completed a Diplomado in Procesamiento de Datos con SPSS.

Tech stack

Software and tools used professionally

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