Sean Y. Email & Phone Number

Leads internal data science function as part of the corporate IT Business Intelligence team.With guidance from business units (Sales, Support, etc.), handles the end-to-end development process for machine learning models from eliciting a clear business problem, through testing and selecting an appropriate technique, presenting results to business leaders, and deploying into production. Projects include:Developing a deep learning model with Keras that predicts best opportunities for cross-selling additional software products based on historical opportunity data;Innovating new content delivery mechanisms, for example a language model and accompanying chatbot to answer questions that are too difficult to answer with a Tableau dashboard;Constructing a logistic regression model to understand and predict customer receptiveness to conversion to SaaS offerings;Routine “wrangling” of structured, semi-structured, and unstructured data from a variety of sources with custom code in both R and Python, as well as SQL in Snowflake.

Worked with business users to modify and enhance reports in Oracle Business Intelligence-based reporting platform;Tested and helped troubleshoot ETL processes for populating new datamarts;Managed an effort to migrate various reports from legacy system onto OBIEE without interrupting business needs;Researched data sources and wrote ETL requirements for an operational data store to support reporting requirements for a new corporate-wide claims management platform.

Provided technical assistance, operational suggestions, and code-based workarounds to IT and operational staff at higher education institutions using the the Core and Student applications of the Ellucian Colleague ERP software as part of a team in a fast-paced inbound contact center;Routinely interfaced with clients over web-based teleconference and screen sharing tools to quickly identify and resolve functional, technical, and data-related issues;Investigated and documented software defects (change requests), designed and performed informal testing exercises to confirm defects and develop operational workarounds; created knowledgebase articles to proactively assist clients;Maintained exceptional post-case client satisfaction survey scores;Performed statistical and systems analysis of existing Client Support department operations, relating client satisfaction survey data to service timeliness and identified potential organizational and procedural improvements (as part of Master's program studies);Developed incoming call/case forecasting procedures using Holt-Winters (triple exponential smoothing) forecasting methodology, continually assessed its accuracy, and helped management implement it as an alternative forecasting option.

(f/k/a GeoEye, Inc.)Assisted software developers by entering and prioritizing defects and enhancements, designing manual test cases, and participating in systems integration (SIT), user acceptance (UAT), and regression testing exercises of proprietary business, order entry, and order fulfillment software applications;Routinely interfaced with and assisted internal (software, systems engineering) and external customers in analyzing and troubleshooting complex ground segment and business process issues, returned products, and technical inquiries;Department representative at corporate Change Control Board (CCB) meetings, and helped coordinate IT activities such that impact to internal and external customers was minimal; participated in user engagement, development planning, and integrated project team (IPT) meetings; Monitored critical factory (order entry, production, delivery) systems to ensure uninterrupted 24/7 operation and coordinated support across the enterprise as necessary to facilitate quick resolution of problems;Developed internal procedures document for handling returned products and technical customer concerns, coordinating corrective and preventative actions and compiling metrics for trend analysis.

(f/k/a GeoEye, Inc.)Operated proprietary software systems for the purpose of producing and shipping a variety of finished imagery products including georectified, orthorectified, and stereo products. Performed manual dynamic range adjustment and selected/edited tie points and ground control for orthomosaic and stereo production;Worked with a team in a fast-paced environment to catalog and assess quality of downlinked satellite imagery to fulfill stringent service level agreement requirements in a 24/7 production environment;Worked with support staff to analyze and quickly resolve production-related issues with image quality and accuracy;Collected and packaged media shipments for delivery to customers; printed and packaged image posters.

Used AutoCAD LT, Traverse PC, and Carlson software packages to collect field data and transform it into physical, topographic, and boundary surveys, residential and commercial site plans, and subdivision plats;Served as instrument operator on field crew; proficient with total station and data collector for traversing, physical data collection, and construction stakeout operations; maintained field notes;Researched deeds, plats, and other legal instruments to determine property boundary location and resolve boundary disputes;Transitioned use of older CADD software to AutoCAD LT; generated blocks and templates to standardize product appearance;Performed calculations and designed stormwater Best Management Practices (BMPs) for Chesapeake Bay Preservation Act (CBPA) compliance; developed grading plans for residential and commercial development;Developed training manual for new hires; accepted requests for quotes from clients, prepared invoices, and maintained field and office equipment.

Master Of Engineering Management, Engineering Management, 4.00

Activities and Societies: Golden Key International Honour Society

Bachelor Of Science, Engineering Technology

Specialization Certificate, Data Science

"The Data Science Specialization covers the concepts and tools for an entire data science pipeline. Successful participants learn how.