Gustavo R Santos Email & Phone Number

Salisbury, North Carolina, Us

+ Working at the Corporate Strategy team exploring and transforming datasets, performing complex and Big Data wrangling with PySpark and SQL. Impact: ETL generated quality data for models to select best stores for ecommerce with 20% more precision.+ Constantly applying statistical analysis techniques for hypothesis testing and regression problems, as well as solving optimization problemsImpact: Created an algorithm to recommend the best number of checkout lanes by store to save front-end space and optimize labor costs in 33%. + I also model data using machine learning models with Python, R, delivering results with interactive dashboards in Power BI. Impact: Dashboard for HR incidents by region and store.+ Working with many modern algorithms such as clustering (KMeans, GMM), PCA, Time Series, Factor Analysis, NLP, classification and regression algorithms.Impact: Models helped to explain checkout usage with Shapley theory, predict store traffic in the following month with MAPE lower than 2%.

Armonk, New York, Ny, Us

Moved to the USA in August 2019. Work Permit granted in February 2020.Hired in April, but released due to COVID19 outbreak.- Delivered dynamic dashboards during that month

Armonk, New York, Ny, Us

* Responsible for two portfolios of accounts that add up to $10M+ USD.* Financial Data analysis based on the needs of the organization, planning and tracking budgets and expense targets.* Controlled the budgets of the projects analyzing costs and executing expense analysis and forecasting.* Drive planning and actions based on business intelligence, leading to recommendations concerning opportunities for cost reduction and budget balance.* Implemented budget restructuring from project-based to squad-based planning.* Reduced overtime expenses by 50% with the implementation of a dashboard.* Actively worked with SQL queries as well as other sources to retrieve large sets of data in order to process and extract business insights with Data Visualization in Python and Excel for the executive team on a monthly basis. * Developed and implemented new budgeting models and automated templates with VBA coding in Excel, decreasing errors in reports and reducing lead time of processes (up to 60%).* Connecting point between the Executive team and Performing Project Managers, frequently described as a knowledgeable person and a good asset for the team.

Armonk, New York, Ny, Us

Team leader responsible for management in the Mainframe billing area, including invoice consolidation, data analysis, error recognition and solution recommendations.Managed the billing process of the CPU resources consumed each month by the customer, presenting the results to the executive team, pointing the variances and recommending the best action plan for issues. Developed and implemented quality assessment semi-automated templates (VBA Language), ensuring the team could replicate it quickly, thus decreasing processes risks (risk management) and nearly eliminated input errors (99% effective).

Armonk, New York, Ny, Us

- Working directly with IBM USA, responsible for data analysis and treatment within the invoice/ billing process of north-american large enterprises.- Project Management tasks (SLA changes report, KCO, Request Management report and follow up)- Process monthly resource consumption data analysis that inserted in the invoice. - Interface with account executives in order to provide consumption status. - Interface with the billing team to process invoice changes and updates.- Development of new processes to optimize and automatize tasks, reducing it's lead time up to 60% and improving the accuracy during the performance of the task.

Morrisville, Nc, Us

Sales support for Large USA Enterprises, coordinating all the purchasing process next to the internal and external customers of the company.Provided customer assistance in the purchase process, acting as a problem solver of many kinds of issues.Performed Order Entry and developed sales reports for Large Enterprises from USA, such as Coca-Cola, United Nations, World Bank and many American states.Implemented SAP macro scripts in the Order Entry process, making it semi-automated.Provided training sessions to other employees in English and Portuguese and created an Excel tool to measure the knowledge grade of the team.Indicated as outstanding employee on 2008 (2nd half)Business trip - 20 days in Mexico helping to perform the transition of the CSO activities from Brazil to Monterrey.

Mba, Data Science And Analytics

Data Science And Big Data Analytics: Making Data-Driven Decisions, Data Science

Data Scientist, Data Science

Mba, Marketing

Graduation, Marketing And Advertising