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Matheus Tartari
@matheustartari
Customer Retention and Churn Analyst Data Analytics
Brasil
Inglês
Sobre mim
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.
Habilidades
Matheus Tartari
offline •
Conheça meus serviços
BI Analytics
I will analyze your customer data for churn, retention, and ltv insights
BI Analytics
I will clean, analyze, and visualize your business data
Portfólio
Experiência profissional
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.
