Sam Kwalwasser Email & Phone Number

Fort Lauderdale, Fl, Us

Itasca, Il, Us

New York, Ny, Us

· Responsible for forecasting credit metrics within ~5% error for multi-billion-dollar global financial plans· Decreased time spent forecasting from 4 hours to 10 minutes by directing model migration to Python from Excel· Improved forecasting of loss recoveries by managing a project to implement a new financial model using Python· Reduced month-end data requests by ~60% by building a Power BI dashboard to replace a manual Excel process· Analyzed credit trends impacting multi-millions of dollars with K-Modes unsupervised machine learning models· Used regression analysis to quantify statistical impact of macroeconomic variables on credit metrics· Mentored new analysts and interns in machine learning and analytics best practices

New York, Ny, Us

· Provided actionable business insights to teams servicing top 63 global corporate clients by building a fully customized end-to-end anomaly detection program from scratch using only Python and Matplotlib· Contributed rich datasets to a high-visibility NLP project by building ETL data pipelines with PySpark· Regularly conducted A/B testing for customer contact center to support pilot program evaluation· Led a team to win 2nd place in a competition by predicting customer call backs with an XGBoost Classifier model· Mentored new analysts and interns in machine learning and analytics best practices

New York, Ny, Us

· Eliminated 1.14M annual calls by writing a Spark ML Gradient Boosting Tree model to predict payment behavior· Delivered strategic end-to-end analytics to guide strategy in implementing a new hyper-personalized video program in partnership with the Digital Strategy team and an external vendor, delivering fully customized videos to hundreds of thousands of card members· Regularly conducted A/B testing for customer contact center to support pilot program evaluation· Conducted significance testing with T-Test regularly for customer service-related use-cases· Mentored new analysts and interns in machine learning and analytics best practices

Lauderdale Lakes, Florida, Us

• Developed a custom interface with IBM’s Integration Bus and Excel VBA to automate 80% of Billing Department’s core activities• Re-designed and automated company-wide end-of-month reporting process using WinAutomation• Improved efficiency of financial reporting process by 90%• Managed a team of software engineers in India to develop and maintain billing interfaces• Administrated and maintained SQL Server data warehouse • Produced data models with Python and Alteryx for C-suite strategic planning• Trained Billing Department in processes and procedures for newly developed software• Maintained relationships with healthcare administrators and software vendors• Prepared internal reports on: lag from date of service to charge entered, client charge and payment statistics, and accounts receivable waterfalls • Trouble-shot and resolved support tickets within the Spiceworks environment• Maintained relationships between the Utilization Management Department and 10 hospitals• Established a reporting process from a transactional log using Excel and Tableau to deliver length of stay statistics to clients and internal managers• Developed an internal system for tracking employee performance metrics

• Developed a digital marketing strategy for a healthcare startup• Assisted in development of a custom CRM for tracking hospital admissions• Top performer on Admissions Team• Provided exceptional customer service to referring hospitals and patients