SQL · Python · Tableau · Data Storytelling

Camilo Sierra
Business Analytics Portfolio

Camilo Sierra — Business Analytics professional

Hello,

I'm Camilo!

I am an Economist and Business Analytics professional with a strong foundation in data analysis, business intelligence, and decision-making. I use SQL, Python, R, Tableau, Power BI, and Looker Studio to turn raw data into dashboards, insights, and recommendations that support business, financial, and operational decisions.

My work focuses on identifying trends, understanding performance drivers, detecting process bottlenecks, and communicating insights clearly to both technical and non-technical audiences. My current focus is Business Analytics, BI, Operations Analytics, and Data-Driven Strategy.

Core Skills

Python
SQL
Power BI
Tableau
Business Analytics
Data Visualization
Statistical Analysis
Operations Analytics
Data Storytelling

Projects

Turning complex datasets into clear stories.

8 projects
01
Dashboard · Tableau

Airline Flight Performance Analysis

Interactive Tableau dashboard analyzing 98K+ synthetic airline records to uncover patterns in flight delays, cancellations, and on-time performance by continent, demographics, and airport.

02
Data Analysis · EDA

Consumer Complaints EDA (2011–2024)

Exploratory analysis of 6.9M CFPB cases spanning 13 years. Uncovers credit-report errors as the top complaint driver, a post-2020 volume spike, and geographic hotspots using SQL, GCP, and Looker Studio.

03
Machine Learning · Python

US Stocks Indicators

ML pipeline to classify US stocks by price variation using 173 financial indicators (2014–2018). Compares Logistic Regression, Random Forest, SVM RBF, and XGBoost, complemented by unsupervised segmentation with PCA, t-SNE, UMAP, and K-Means.

04
Dashboard · Tableau

Online Retail Sales

Interactive dashboard analyzing online retail sales performance, customer segments, and product categories using Tableau Public.

06
Web Scraping · Python

Web Scraping MLS 2024

Scraped and analyzed soccer league data to extract insights on player stats and team performance using Python and BeautifulSoup.

07
Dashboard · Power BI

Power BI Sales Dashboard

Interactive business intelligence dashboard built in Power BI, analyzing sales performance, profitability trends, and regional KPIs with dynamic filtering.

08
Tool · PDF.js

PDF Presentation Viewer

Interactive slide viewer with paginated navigation, fullscreen mode, keyboard shortcuts, and a mobile‑responsive fallback.

Get in Touch

Open to opportunities, collaborations, and interesting data conversations.