Senior Data Scientist2018 - 2021SimIS
Technologies: SQL, Machine Learning, Artificial Intelligence (AI), Python
- Improved learner behavior prediction accuracy from a 21% baseline (recommended next action) to 66% on unseen test data via a long short-term memory recurrent neural network (LSTM RNN) model.
- Predicted course completion with Matthews correlation coefficient 0.51 using Experience API (xAPI) student log data and built the corresponding explanatory model via factor analysis.
- Co-authored an e-learning metadata analytics strategy distributed across the Department of Defense and chaired the stakeholder working group on its adoption and implementation.
Business Analyst2012 - 2013Accenture
Technologies: Tableau, SQL
- Eliminated test case redundancies via Excel data analysis, cutting testing time by nearly 15%.
- Led deliverable review sessions with high-level stakeholders across multiple teams to ensure business requirement compliance.
- Performed ad hoc defect analysis to facilitate efficient prioritization of cross-functional effort.