m
matheustartari

Matheus Tartari

@matheustartari

Customer Retention and Churn Analyst Data Analytics

Brasil
Inglés
Parte de la información aparece en idioma inglés.
Sobre mí
I spent years as a photographer, training my eye to spot patterns and translate complex information clearly. Now I bring that same eye to customer data. I work with Python, SQL, and Tableau, helping businesses understand why customers leave and where to invest in retention. I've delivered a churn analysis across 5,600+ customers, uncovering data quality issues that would have skewed results, and a cohort/LTV analysis across 3,900+ customers (£6.78M tracked revenue). You get: rigorous analysis grounded in clean data, clear communication, and dashboards that support real decisions.... Lee más

Habilidades

m
matheustartari
Matheus Tartari
desconectado • 

Revisa mis servicios

Análisis de BI
I will analyze your customer data for churn, retention, and ltv insights
DeUSD 80 / proyectoMás información
Análisis de BI
I will clean, analyze, and visualize your business data
DeUSD 60 / proyectoMás información

Porfolio

Experiencia laboral

Self_Employed

Self Employed

3 yrs 4 mos

Independent Data Analyst

Jan 2026 - Present • 7 mos

Delivering analytics projects focused on real business problems. Conducted a churn analysis on a dataset of 5,600+ customers — identifying key retention drivers and uncovering critical data quality issues, including survivorship bias and inverted scale errors. Also built a cohort and LTV analysis across 3,900+ customers (£6.78M tracked revenue), mapping retention by segment. Stack: Python (pandas, matplotlib, seaborn), SQL, Tableau, GitHub.

Professional Photographer

Apr 2023 - Jan 2026 • 2 yrs 9 mos

Wedding and event photography — shooting, editing, and delivery. Built strong skills in visual storytelling, pattern recognition, and translating complex client needs into clear outcomes.