Rener Castro
Head Of Data Analytics
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolRener Castro is a seasoned data analytics leader with a decade of experience building credit risk models and guiding data-driven decisions in retail and wholesale portfolios. He is currently Head Of Data & Analytics at C6 Bank in São Paulo, shaping the enterprise data warehouse, big data infrastructure, BI, and data management while leading data science teams to deliver scalable solutions. He combines a PhD in Applied Mathematics with machine learning expertise to develop predictive analytics, delinquency forecasting, and IFRS 9 impairment methodologies that align with evolving regulations. His career at Itaú Unibanco included roles in IFRS 9 impairment modeling, credit portfolio risk, and R&D, driving data quality, model governance, and executive reporting. He is a strong mentor and stakeholder manager, collaborating with regulators, rating agencies, and board-level leaders, and thrives on turning complex data problems into practical business outcomes. Proficient in R, Matlab, SAS, and C++, he has built real-time data-driven applications that collect billions of data points to optimize customer experience and resource utilization.
11 years of coding experience
7 years of employment as a software developer
Pontifical Catholic University of Rio de JaneiroGraduate, Mathematics, Graduate, Mathematics at Universidade Federal de Uberlândia - UFUMaster, Mathematics, Master, Mathematics at Instituto Nacional de Matemática Pura e Aplicada
English, Portuguese
Stackoverflow
11reputation
501reached
2answers
0questions
Github Skills (200)
avro10
jupyterlab10
encoder-decoder10
codec10
geom10
golang9
jupyter-widget9
kml9
feature-engineering9
encoding9
google-cloud9
appengine9
wkt9
feature-selection9
decoding9
Programming languages (9)
Github contributions (5)
TuSKan/materializer
Mar 2018 - Dec 2018
Contributions:41 commits, 56 pushes, 1 branch in 8 months
TuSKan/gomlx
Dec 2024 - Mar 2025
GoMLX: An Accelerated Machine Learning Framework For Go
Contributions:31 pushes, 13 branches in 3 months
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