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Douglas WillerDW
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Douglas Willer

@douglaswiller

Business Strategy Analyst at CrediSIS Central who automates Python analytics and develops forecasting models for executive decisions.

Brazil
Message

At CrediSIS Central, I consolidate and analyze data from multiple sources to support strategic studies and executive decision-making. I build performance indicators and management metrics used by business and leadership teams.

I develop forecasting models, scenario analyses, and quantitative projections using historical data, business assumptions, and financial drivers. I also automate recurring analytical routines in Python and use SQL and Power BI to prepare data and report results.

On my Projection & Scenario Analysis System project, I developed a modular solution for monthly projections and scenario simulations, integrating historical data, market information, financial assumptions, and business rules.

Experience

Work history, roles, and key accomplishments

IB

Sales Promoter

Icatu Brasil

Jan 2021 - Jan 2023 (2 years)

Provided consultative customer support, identified client needs, and monitored commercial targets and performance indicators.

Education

Degrees, certifications, and relevant coursework

PS

Postgraduate Program in Artificial Intelligence and Data Science

Postgraduate Program, Artificial Intelligence and Data Science

Currently pursuing a postgraduate program in Artificial Intelligence and Data Science.

DS

Degree in Data Science

Degree, Data Science

Completed a degree in Data Science.

Tech stack

Software and tools used professionally

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