Benjamin Czerwin, Phd Email & Phone Number

New York, New York, United States

-Proposed scenarios to restore revenue from $3M to $7M/month through an in-depth performance analysis.-Validated the movement of $600K revenue by creating an end-to-end process to detect issues and identify intertwined offer performance.-Improved monthly conversion forecasting to be within 3% by developing an ARIMAX statistical model.-Caught and fixed several offer deployment issues to save 2.2K conversions/month, through effective monitoring.-Identified and corrected issues in… Show more -Proposed scenarios to restore revenue from $3M to $7M/month through an in-depth performance analysis.-Validated the movement of $600K revenue by creating an end-to-end process to detect issues and identify intertwined offer performance.-Improved monthly conversion forecasting to be within 3% by developing an ARIMAX statistical model.-Caught and fixed several offer deployment issues to save 2.2K conversions/month, through effective monitoring.-Identified and corrected issues in low performing offers by formulating a high-level overview of channel performance.-Decreased campaign deployment time by 1 hour through the development of an automated quality control checking tool.-Empowered client to make decisions by improving robust automated channel monitoring, standardizing performance tracking, and aligning several stakeholders, with dashboards garnering over 700 views/month.-Continually improved reporting dashboards through feedback and robust documentation, maximizing impact by optimizing efforts.-Aided in client strategizing through several fact packs and campaign sizing efforts.-Uncovered 20K converters, across several business channels, presenting with offer exploitation behavior through time-series analysis. Show less

New York, New York, United States

-Discovered campaign visibility and eligibility issues via operational monitoring and frequent audits, increasing revenue by $17M annually.-Delivered on-time, error-free reporting to client leadership for over 24 months through efficient task delegation and automation.-Designed an easy-to-understand and easy-to-implement test and learn process by simplifying and handling assumptions of hypothesis testing leading to a 1.4X lift on conversions from test learnings.Improved campaign… Show more -Discovered campaign visibility and eligibility issues via operational monitoring and frequent audits, increasing revenue by $17M annually.-Delivered on-time, error-free reporting to client leadership for over 24 months through efficient task delegation and automation.-Designed an easy-to-understand and easy-to-implement test and learn process by simplifying and handling assumptions of hypothesis testing leading to a 1.4X lift on conversions from test learnings.Improved campaign personalization by developing segmentation models, resulting in a 1.2X lift.-Uncovered gaming affecting $140M annual revenue by leveraging data analysis techniques and case studies.-Directed and optimally distributed resources in a team of 8 analysts across multiple projects through efficient meetings and task management, developing a reputation for fast turnarounds, accurate results, and insightful business recommendations.-Developed and deployed Tableau performance dashboard with over 500 monthly views, that included insight generation and advanced anomaly detection. Done by leading team through tasks, synthesizing data from many disparate sources, documenting process, and engaging in several Q&A sessions with VP leadership.-Optimized team code improving runtime by 100% by hosting code reviews.Improved back-end of team task management and scripts through effective leadership, documentation, and efficiency improvements, leading to a 2X increase in task output.-Hired several analysts who saw immediate success after onboarding by selecting top candidates from over 200 interviews. Show less

New York, New York, United States

-Evaluated campaign suppression efforts by calculating opportunity cost analysis and projections, performed within 10% of actual.-Optimized population segmentation for targeting campaigns by leveraging segmentation, resulting in a click through increase of 12%.-Forecasted conversions (within 5% of actuals) used in monthly business decisions by leading team through model development.-Addressed all reporting issues preemptively via rigorous quality control and documentation of… Show more -Evaluated campaign suppression efforts by calculating opportunity cost analysis and projections, performed within 10% of actual.-Optimized population segmentation for targeting campaigns by leveraging segmentation, resulting in a click through increase of 12%.-Forecasted conversions (within 5% of actuals) used in monthly business decisions by leading team through model development.-Addressed all reporting issues preemptively via rigorous quality control and documentation of results, with 0 discrepancies unresolved.-Directed team takeover of 4 automated reporting tasks, adding new features at client’s request.-Orchestrated methods to boost recruiting efforts, and strengthen new hires, including creating onboarding documentation used by over 15 new hires.-Operated as a known, reliable source for daily ad-hoc request from client. Requests included understanding causes for changes in trends and identifying ways to mitigate negative changes.-Held sessions for client in software education, untangling data relationships and understanding limitations within the client data. Diagrams and presentations adopted by senior team. Show less

New York, New York, United States

-Supervised team in the analysis of client cross-channel influences on performance, while accounting for biases.-Figured out top 3 contributors to conversions through correlation analysis between marketing factors and performance.-Onboarded 5 new hires who were then able to contribute meaningfully to projects within 1 month, by developing rich documentation. -Conducted detailed investigation into data quality, highlighting major issues, including duplicate and erroneous records.

New York, New York, United States

-Discovered inconsistencies in client customer scoring platform though case studies and performance summaries to improve campaign targeting effectiveness by 5%.-Developed strategies validated by modeling and optimization, for improving debt collection by over 10%.-Maintained and improved a weekly campaign performance tracker for client business decisions.

New York, New York, United States

-Designed objectives, lectures, and assignments for 3 graduate level courses: Data Analysis, Multivariate Statistical Analysis, and Statistics by developing a logical, hierarchical structure to introduce complex statistical methods.-Improved upon 3 courses over several semesters by focusing on real-world fashion related cases, incorporating latest technology and considering student feedback, resulting in increasing positive feedback from students and deans.

New York, New York, United States

-Demonstrated feasibility of transporter inhibition therapy for diabetics by creating a differential-algebraic time-varying model of the kidney and achieving a 50% decrease in Glucose reabsorption while maintaining healthy concentrations of other solutes.-Differentiated kidney diseases using model outputs, within 9% of true values, using Bayesian parameter estimation and sensitivity analysis.-Developed a robust closed-loop human kidney model using patient data with physiological… Show more -Demonstrated feasibility of transporter inhibition therapy for diabetics by creating a differential-algebraic time-varying model of the kidney and achieving a 50% decrease in Glucose reabsorption while maintaining healthy concentrations of other solutes.-Differentiated kidney diseases using model outputs, within 9% of true values, using Bayesian parameter estimation and sensitivity analysis.-Developed a robust closed-loop human kidney model using patient data with physiological equations and parameter estimation in order to simulate patient kidney function and attain a root mean-squared error, within a clinical tolerance, of 13.5 mL/min.-Forecasted patient diseases using non-linear, constrained optimization, achieving model output errors below 12.7 mL/min for diseased states.-Extracted, processed, and imputed patient healthcare data for use in model validation, whereby imputation errors were within 2%. Show less

New York, New York, United States

Advanced Machine DynamicsMechanical Engineering Lab IMechanical Engineering Lab IIIntroduction to Human Spaceflight-Taught several lectures, including one to aid students in effective methods for working in groups, improving conflicts between groupmembers, and improving laboratory report quality.-Worked closely with professors to develop lesson plans, incorporating student feedback and improving general understanding.-Held office hours and oversaw laboratory… Show more Advanced Machine DynamicsMechanical Engineering Lab IMechanical Engineering Lab IIIntroduction to Human Spaceflight-Taught several lectures, including one to aid students in effective methods for working in groups, improving conflicts between groupmembers, and improving laboratory report quality.-Worked closely with professors to develop lesson plans, incorporating student feedback and improving general understanding.-Held office hours and oversaw laboratory experiments.-Developed and graded homework assignments. Show less

New York, New York, United States

-Developed a fully functional iOS app for AKI staging complete with graphing functionality for data visualization, and core data persistent memory in iOS. Work was done with a strict MVC architecture and unit tested.

New York, New York, United States

-Tutored graduate students for their Mechanical Engineering PhD qualifying exam in advanced machine dynamics and control theory

New York, New York, United States

-Engineered the front and back end of a fully responsive website for acute kidney injury (AKI) staging in patients. Work was done in HTML, CSS, and Javascript, without the use of frameworks. Work was rigorously unit tested.

New York, New York, United States

-Lead a small team that developed software in C# for seamless, real time data extraction from multiple medical devices for extended periods of time. High resolution data was stored in compact binary files. Software was tested in Failure Mode and Effects Analysis. Currently in use by Weill Cornell researchers.-Managed more than three dozen classes while programing software capable of interrupt handling, hardware communication, time aligning data, parallel/threaded processing, and dynamic… Show more -Lead a small team that developed software in C# for seamless, real time data extraction from multiple medical devices for extended periods of time. High resolution data was stored in compact binary files. Software was tested in Failure Mode and Effects Analysis. Currently in use by Weill Cornell researchers.-Managed more than three dozen classes while programing software capable of interrupt handling, hardware communication, time aligning data, parallel/threaded processing, and dynamic memory management. Software was written to be scalable to easily add new medical devices in the future. Show less

New York, New York, United States

-Tutored two student for the Mechanical Engineering PhD qualifying exam in advanced machine dynamics and Control Theory.-Both students passed the exam.

Greater New York City Area

-Created an SQL database schema for thousands of records from multiple data warehouses.-Analyzed data trends and discrepancies between sources.-Used python to standardized data via natural language processing.

New York, New York

-Assisted in surveying and designing for HVAC systems.

Queens, New York, United States

-Tutored undergraduate students of varying academic levels in mathematics, physics, and computer science.-Worked with students who saw noticeable improvement in their grades and continually returned to tutoring on a weekly basis.

New York, New York

-Assisted in surveying and designing for HVAC systems.

Doctor Of Philosophy, Mechanical Engineering

Master Of Science, Mechanical Engineering

Bachelor Of Science, Physics

Activities and Societies: Society of Physics Students Graduated summa cum laude.

Bachelor Of Science, Mathematics

Activities and Societies: Pi Mu Epsilon Mathematics Society Computer Science Minor