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Fabio Bernal Tejada

Fabio Bernal Tejada

Data Scientist

Banco de Bogotá (Bank of Bogotá)

Technologies

My Portfolio Highlights

My New Workbook

Project: Hypothesis Testing in Healthcare

My New Workbook

Project: Building Financial Reports

My New Project

Hypothesis Testing with Men's and Women's Soccer Matches

Innovative thinker, shaping the future through data intelligence.

My Work

Take a look at my latest work.

DataLab

Netflix Top 10

1Upvotes
DataLab

Project: Analyzing Crime in Los Angeles

1Upvotes
DataLab

Project: Visualizing the History of Nobel Prize Winners

1Upvotes
DataLab

Project: Hypothesis Testing in Healthcare

1Upvotes
DataLab

Project: Building Financial Reports

1Upvotes
DataLab

Project: Hypothesis Testing with Men's and Women's Soccer Matches

1Upvotes
DataLab

Project: Exploring NYC Public School Test Result Scores

1Upvotes
DataLab

The Android App Market on Google Play

1Upvotes
DataLab

Investigating Netflix Movies and Guest Stars in The Office

1Upvotes

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Banco de Bogotá | Oct 2021 - Present

Data Processing Leader

Empowered a high-performing team of 3 skilled data analysts to exceed KPIs, ensuring team-wide alignment on the company mission, integrating a supportive approach to collaborative problem solving. -Update company data warehousing techniques such as a data recall and segmentation, used to guide management decisions. -Received, cleaned and prepped data from customers using SAS, SQL, Python and Excel to build marketing mix models that result in a lift in ROA of 10 basis points, approximately $4.2M CAD -Developed many programs in SAS that automated data process and refinement for different segments of customers and products. Saving up to 80 hours of labor per month. -Skilled in creating and developing dashboards in Power BI, Tableau, Excel.
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Banco de Bogotá | Oct 2018 - Oct 2021

Business Data Analyst

-Product owner in the digital transformation project at the bank. Prioritizing product backlog and defining MVPs. Effective communication with stakeholders. -Track progress of ongoing initiatives across the field to ensure that we were on pace to achieve the target. -Handled data analytics and repórting work using SAS, SQL and Excel skills. Code review and stress testing on loss forecast models. - Routine analysis and reporting on areas of opportunity to improve process and system solutions for front line field teams and the service operations team. - Programmer and tester in the IFRS9 project’s implementation. Ensuring interaction between risk management and accounting in relation to credit risk modeling approaches.

PayU | Feb 2018 - Oct 2018

Fraud Analyst

- Credit cards Fraud detection project using Python algorithms such as decision trees and logistic regression. Identifying fraud patterns through the monitoring of high-risk countries and merchants. - Handle internal and external customer inquiries concerning fraudulent issues. - Communicate effectively and confidently in English with all clients and retails to make their financial lives better

Banco de Bogotá | Apr 2014 - Feb 2018

Data Analyst MIS

- Led the successful implementation of a real-time dashboard visualization project, utilizing PowerBI, to track key performance indicators and monitor data accuracy. - Collaborated with cross-functional teams to deliver on-time and on-budget projects and initiatives. - Conducted a thorough analysis of customer data using advanced machine learning techniques, resulting in the identification of new revenue streams and customer segments for the company

SERVIBANCA S.A. | Aug 2012 - Mar 2014

Junior Data Analyst

- Developed high-value insights through data aggregation, leading to a 25% reduction of ATM malfunction and damage. - Assembled, cleaned and organized large data sets, improving data accuracy and reducing analysis time. - Assisted senior team members in the data analysis process, contributing to a successful project that delivered impactful results to clients.

My Education

Take a look at my formal education

Ingeniería, Ingeniería eléctrica y electrónicaEscuela Colombiana de Ingeniería Julio Garavito | 2012
Ingeniería, Ingeniería electrónicaEscuela Colombiana de Ingeniería 'Julio Garavito' | 2012

About Me

Fabio Bernal Tejada

Data scientist with eight years of experience executing data driven solutions to increase efficiency, accuracy and utility of internal data processing. Proficient in predictive modeling, data processing and data visualization

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