Tia (Antoinette) Sajewski
Dearborn,MI
Summary
Highly-motivated employee with desire to take on new challenges. Strong work ethic, adaptability, and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills.
Overview
7
7
years of professional experience
Work History
Senior Data Science Analyst II
BCBSM
Detroit, MI
05.2017 - Current
- Prepared well-structured presentations with clear visualizations that explain complicated concepts in an easy-to-understand manner.
- Developed and implemented predictive models to identify customer segments for impactful campaigns.
- Monitored performance metrics on developed models regularly for accuracy validation purposes.
- Optimized machine learning models by tuning hyperparameters through grid search techniques using MLFlow experiments.
- Maintained up-to-date knowledge of industry best practices regarding data science principles and technologies.
- Developed custom algorithms to discover hidden relationships and actionable insights.
- Collaborated with cross-functional teams including engineering, marketing, product management, sales, finance. to ensure successful implementation of analytics projects.
- Documented findings from data exploration activities and communicated results effectively across stakeholders at all levels within the organization. Worked to develop and implement standardization methods within the team.
- Explored large datasets with Spark to uncover trends, patterns, and insights using machine learning algorithms.
- Built dashboards in Tableau and Databricks to visualize data points from multiple sources.
- Mentored interns, lead multiple projects and provided technical expertise in the development of analytical solutions that meet business requirements and objectives.
Education
Master of Science - Data Science
Saint Mary's College
Notre Dame, IN05-2018
Master of Arts - Education
Xavier University
Cincinnati, OH12-2015
Bachelor of Science - Physics major, Math minor
University of Michigan - Dearborn
Dearborn, MI04-1995
Skills
- Supervised and Unsupervised Machine Learning
- Clustering Algorithms
- Python, PySpark, R, SQL, MongoDB, Latex
- Feature and Prompt Engineering
- Natural Language Processing, Understanding, and Generation
- LLM inference and fine tuning
- Project Management, Strong Work Ethic
- Data Visualization and Presentations
- Analytical Problem Solving
- Attention to Detail and Documentation
References
References available upon request.
Timeline
Senior Data Science Analyst II
BCBSM
05.2017 - Current
Master of Science - Data Science
Saint Mary's College
Master of Arts - Education
Xavier University
Bachelor of Science - Physics major, Math minor
University of Michigan - Dearborn
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