Building a brand. Learning the market.
Co-Founder & Creative Director · RIVKA · Brazil
Directed four seasonal collections totaling 800+ garments. Managed sourcing, product mix, pricing, and inventory across a growing fashion business.
Data science × Consumer perspective
Miami, FL · Open to opportunitiesI’m Giovanna Calabrese Villanueva — a Data Science graduate student bringing a fashion founder’s perspective to consumer insights, pricing, and predictive analytics.
01 / Selected work
Three business questions, explored through data. From the beauty shelf to the housing market.

01 / Consumer insights / Beauty retail
Reading the signals behind consumer interest in 2,420 Sephora skincare products.

02 / Pricing analytics / Luxury
Testing whether quality attributes improve pricing estimates beyond carat weight.

03 / Predictive analytics / Real estate
Connecting income, geography, and eight market indicators to area-level housing value.

02 / About me
I’m Giovanna — a fashion founder and Data Science graduate student based in Miami.
Building a fashion brand made pricing, product mix, and consumer behavior practical business questions. Today, I combine that commercial perspective with Python, statistics, and machine learning to turn those questions into evidence.
My focus / Consumers · Retail · Pricing · Predictive analytics
03 / From fashion to data
Business context came first. Analytical tools added a new way to investigate it.
Co-Founder & Creative Director · RIVKA · Brazil
Directed four seasonal collections totaling 800+ garments. Managed sourcing, product mix, pricing, and inventory across a growing fashion business.
Marketing Intern · Faxion AI · Brazil
Conducted 100+ consumer research touchpoints and analyzed engagement across 180+ pieces of content to inform AI styling, personalization, and Gen Z positioning.
M.S. Data Science student & Graduate Assistant · St. Thomas University
Studying statistical analysis and predictive modeling while supporting faculty, students, and the Fashion Retail & Innovation Center.
04 / What I bring
Python · pandas · NumPy
Exploratory data analysis
Statistical analysis · Regression
Matplotlib · seaborn
scikit-learn · statsmodels
Decision trees · Random Forest
Train/test evaluation · MAE · RMSE · R²
Jupyter · Excel · Databricks SQL
Consumer research · Pricing analysis
Fashion merchandising · Trend analysis
Retail strategy · Inventory planning
Business storytelling
05 / Recognition
NATIONWIDE SEMI-FINALIST · 2026

A cultural gifting concept connecting consumer insights, assortment, pricing, and the retail experience.
Explore the project ↗Education / The foundation & the next chapter
St. Thomas University
Specialization in Fashion Merchandising
St. Thomas University
An industry perspective, strengthened by quantitative study.
06 / The next conversation
Let’s talk about opportunities in data science, consumer insights, pricing, and retail analytics.