Machine Learning Data Science
Resume:
EDUCATION
OLGA
SEBASTIAN
University of California, Berkeley
Bachelor of Arts in Data Science
Bachelor of Arts in Economics
Graduation: Summer 2025
SKILLS
Data Analysis & Visualization:
Expertise in Python, R, SQL, Tableau,
and advanced Excel (Excel 2019 Expert
Certified).
Machine Learning & Statistical
Modeling: Proficient in building and
validating predictive models,
econometric analysis, and quantitative
research.
Data Engineering: Skilled in database
management, ETL pipelines, and data
cleaning.
Programming: Advanced proficiency
in Python, R, SQL, JavaScript, Stata,
and Matlab.
Leadership & Team Management:
Proven ability to lead cross-functional
teams and manage complex projects.
Artificial Intelligence & Computer
Vision: Knowledge of AI frameworks
and image processing techniques.
Languages: English (Fluent), Russian
(Advanced), Romanian (Advanced),
Spanish (Conversational).
RELEVANT PROJECTS
Medical Insurance Cost Prediction
Built a Random Forest model to estimate insurance
costs using economic and demographic factors.
Deployed an interactive web app with Streamlit to
provide user-friendly cost predictions.
Customer Churn Prediction
Developed a classification model to identify high-risk customers, improving retention strategies.
Engineered features and optimized performance,
achieving a 10% accuracy boost.
Macroeconomic Forecasting
Applied time series models (ARIMA, LSTM) to predict GDP growth and unemployment trends.
Visualized insights with Tableau and Python dashboards for policy impact assessment.
WORK EXPERIENCE
Restaurant Manager
Bombay Buzzing / 2020 - Present
Managed the restaurant from its opening, overseeing POS installation, menu design, and marketing strategies, resulting in a 50% growth in revenue from the first to the second year.
Hired and trained a team of 15 front-of-house staff, creating an efficient and customer-focused team.
Supervised daily operations, including scheduling, inventory, and service quality.
****.*********@********.***
San Francisco, CA
A senior at UC Berkeley pursuing simultaneous degrees in Data Science and Economics. Skilled in Python, R, SQL, JavaScript, and machine learning, with strong expertise in data analysis, econometrics, and quantitative methods. Leadership and operations experience from the restaurant industry complements a solid academic foundation.
VOLUNTEER EXPERIENCE
Tech Lab Volunteer
St. Anthony Foundation – San
Francisco, CA / 2020 - present
Supported community members in
developing essential computer skills
through one-on-one guidance and
workshops.
Fostered digital inclusion by teaching
internet safety, software basics, and
online navigation.
Contact this candidate